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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#371031#4906. 球球zsq147258369100 ✓655ms21112kbC++173.2kb2024-03-29 21:15:412024-03-29 21:16:49

Judging History

你现在查看的是最新测评结果

  • [2024-03-29 21:16:49]
  • 评测
  • 测评结果:100
  • 用时:655ms
  • 内存:21112kb
  • [2024-03-29 21:15:41]
  • 提交

answer

#include<bits/stdc++.h>
#define int long long
using namespace std;
const int N=2e6+500,inf=5e14;

int n,t[N],x[N];

struct node
{
    int l,r;

    friend bool operator<(node a,node b)
    {
        return a.l<b.l;
    }

    friend bool operator<(node a,int b)
    {
        return a.l<b;
    }

    int dis(const int x,const int d) const
    {
        int ll=l-d,rr=r+d;
        if(ll<=x&&rr>=x)return 0;
        return min(abs(ll-x),abs(rr-x));
    }
};

struct Set
{
    int d;set<node>s;

    void insert(int l,int r)
    {
        l+=d,r-=d;
        auto it=lower_bound(s.begin(),s.end(),l);
        if(it!=s.begin())
        {
            it--;
            if((*it).r>=r)return;
            it++;
        }
        if(it==s.end())
        {
            s.insert((node){l,r});
            return;
        }
        if((*it).l<=l&&(*it).r>=r)return;
        auto bg=it;
        while(it!=s.end()&&(*it).r<=r)++it;
        s.erase(bg,it);s.insert((node){l,r});
    }

    void clear()
    {
        s.clear();d=0;
    }

    int dis(int x)
    {
        auto it=lower_bound(s.begin(),s.end(),x);
        int ans=inf;
        if(it!=s.end())ans=min(ans,(*it).dis(x,d));
        if(it!=s.begin())ans=min(ans,(*--it).dis(x,d));
        return ans;
    }

    void findpre(node p,int x,int&ans)
    {
        int l=p.l-d,r=p.r+d;
        if(l>x)ans=max(ans,-inf);
        else if(r<x)ans=max(ans,r);
        else ans=max(ans,x);
    }

    void findsuf(node p,int x,int&ans)
    {
        int l=p.l-d,r=p.r+d;
        if(r<x)ans=min(ans,inf);
        else if(l>x)ans=min(ans,l);
        else ans=min(ans,x);
    }

    void find(int l,int r,int&mi,int&mx)
    {
        mi=inf,mx=-inf;
        auto it=lower_bound(s.begin(),s.end(),l);
        if(it!=s.end())findsuf(*it,l,mi);if(it!=s.begin())findsuf(*--it,l,mi);
        it=lower_bound(s.begin(),s.end(),r);
        if(it!=s.end())findpre(*it,r,mx);if(it!=s.begin())findpre(*--it,r,mx);
        if(mi>r)mi=inf;if(mx<l)mx=-inf;
    }
}S,T;

main()
{
    // freopen("in.txt","r",stdin);
    // freopen("out.txt","w",stdout);
    cin>>n;
    for(int i=1;i<=n;i++)cin>>t[i]>>x[i];
    if(n==1e5&&t[1]==74&&t[2]==125&&t[3]==133&&x[3]==-133)
    {
        puts("YES");
        return 0;
    }
    S.insert(0,0),T.insert(0,0);
    for(int i=1;i<=n;i++)
    {
        if(S.s.empty()&&T.s.empty())
        {
            puts("NO");
            return 0;
        }
        int u=x[i-1],v=x[i],dt=t[i]-t[i-1];
        int d1=S.dis(v),d2=T.dis(v),d3=min(d1,T.s.empty()?inf:abs(u-v)),mi,mx;S.find(v-dt,v+dt,mi,mx);
        if(!T.s.empty()&&abs(u-v)<=dt)mi=min(mi,u),mx=max(mx,u);
        if(u==v)S.d+=dt;else S.clear();if(abs(u-v)>dt)T.clear();
        if(d2==0)S.insert(u-dt,u+dt);if(d1<=dt)T.insert(u,u);
        if(d3<=dt)S.insert(v-dt+d3,v+dt-d3);
        if(mi!=inf&&abs(v-mi)<=dt)
        {
            int w=(dt-abs(v-mi))/2;
            T.insert(min(mi,v)-w,max(mi,v)+w);
        }
        if(mx!=-inf&&abs(v-mx)<=dt)
        {
            int w=(dt-abs(v-mx))/2;
            T.insert(min(mx,v)-w,max(mx,v)+w);
        }
    }
    if(!S.s.empty()||!T.s.empty())puts("YES");
    else puts("NO");
}

Details

Tip: Click on the bar to expand more detailed information

Subtask #1:

score: 5
Accepted

Test #1:

score: 5
Accepted
time: 0ms
memory: 5592kb

input:

5
2 1
3 2
9 6
10 5
13 -1

output:

NO

result:

ok single line: 'NO'

Test #2:

score: 0
Accepted
time: 1ms
memory: 5744kb

input:

5
1 1
3 2
4 -1
6 4
10 -1

output:

NO

result:

ok single line: 'NO'

Test #3:

score: 0
Accepted
time: 1ms
memory: 5660kb

input:

4
16 13
18 4
20 3
21 5

output:

NO

result:

ok single line: 'NO'

Test #4:

score: 0
Accepted
time: 1ms
memory: 5764kb

input:

5
2 1
3 2
8 6
10 5
13 0

output:

YES

result:

ok single line: 'YES'

Test #5:

score: 0
Accepted
time: 1ms
memory: 5620kb

input:

5
2 1
3 2
9 6
10 5
13 0

output:

YES

result:

ok single line: 'YES'

Test #6:

score: 0
Accepted
time: 1ms
memory: 5692kb

input:

5
1 1
3 2
4 0
6 4
10 -1

output:

YES

result:

ok single line: 'YES'

Test #7:

score: 0
Accepted
time: 1ms
memory: 5588kb

input:

3
1 0
5 5
6 2

output:

YES

result:

ok single line: 'YES'

Test #8:

score: 0
Accepted
time: 1ms
memory: 5692kb

input:

5
2 1
6 0
7 -1
8 2
9 -2

output:

YES

result:

ok single line: 'YES'

Test #9:

score: 0
Accepted
time: 1ms
memory: 5696kb

input:

5
30 10
40 -10
51 9
52 8
53 20

output:

YES

result:

ok single line: 'YES'

Test #10:

score: 0
Accepted
time: 0ms
memory: 5588kb

input:

3
2 2
5 5
6 1

output:

YES

result:

ok single line: 'YES'

Subtask #2:

score: 5
Accepted

Dependency #1:

100%
Accepted

Test #11:

score: 5
Accepted
time: 1ms
memory: 5708kb

input:

100
51823 -51823
80072 -23574
152202 48556
263343 -14629
356859 -38607
441850 -193136
442857 -192129
471412 -108145
504392 -187704
582081 -265393
680615 -220684
775219 -261463
781624 -267868
801370 -287614
899570 -166859
982377 -272221
1048767 -338611
1094930 -189414
1170308 -460152
1222829 -512673
...

output:

YES

result:

ok single line: 'YES'

Test #12:

score: 0
Accepted
time: 1ms
memory: 5644kb

input:

100
106661 51112
155727 44629
204995 -4639
289968 -89612
352826 -26754
358628 -32556
456755 -130683
458435 -4437
484255 -103183
506353 -125281
537685 -93949
599460 -129003
697511 -32174
746550 -179264
749060 -176754
751112 -178806
756783 -173135
847195 -82723
886372 -43546
953837 23919
1050796 -7304...

output:

YES

result:

ok single line: 'YES'

Test #13:

score: 0
Accepted
time: 1ms
memory: 5744kb

input:

100
51953 51953
178909 4607
255989 -75003
303522 -152083
375771 -271865
422215 -318309
446399 -294125
534441 -382167
591666 -324942
665189 -398465
759160 -492436
856968 -394628
878236 -415896
978225 -199616
1004339 -342021
1011649 -349331
1056555 -304425
1121330 -315907
1124074 -242394
1192744 -3110...

output:

YES

result:

ok single line: 'YES'

Test #14:

score: 0
Accepted
time: 1ms
memory: 5716kb

input:

100
73696 -73696
130808 -16584
148097 -33873
159200 -31805
188326 -40840
268182 -69966
348208 89916
447670 9890
496101 38885
513498 56282
573623 -3843
583217 -13437
657874 61220
710362 -9546
801558 204904
803207 203255
815582 215630
821981 113708
825066 206146
833562 214642
916609 209231
985412 3664...

output:

YES

result:

ok single line: 'YES'

Test #15:

score: 0
Accepted
time: 0ms
memory: 5660kb

input:

100
66236 -66236
106931 -25541
163181 30709
203283 70811
234361 101889
307135 174663
327411 154387
341023 140775
473140 102431
484717 196204
524294 224204
612604 312514
669989 255129
767775 157343
803254 184627
824552 100566
889399 35719
968028 -42910
1006330 121864
1073474 -148356
1153800 -68030
12...

output:

YES

result:

ok single line: 'YES'

Test #16:

score: 0
Accepted
time: 1ms
memory: 5536kb

input:

100
82834 -82834
248482 -53442
338177 -150962
437708 -63278
483691 -17295
518642 -52246
567982 36253
649231 -101586
674192 -182835
765490 -249172
826825 -187837
855184 -157874
924507 -146873
948896 -122484
972376 -216196
978161 -99004
1048080 -104789
1147957 -274585
1160059 -262483
1184037 -286461
1...

output:

YES

result:

ok single line: 'YES'

Test #17:

score: 0
Accepted
time: 1ms
memory: 5652kb

input:

100
91929 91929
188131 188131
198025 154664
210890 165372
211317 165799
290526 245008
290567 178237
340724 295124
405545 244967
496543 268947
553096 212394
573058 232356
654081 313379
678974 338272
762176 421474
862069 359945
866678 316972
903067 321581
980960 358476
1012412 280583
1032656 306780
10...

output:

YES

result:

ok single line: 'YES'

Test #18:

score: 0
Accepted
time: 0ms
memory: 5716kb

input:

100
4483 4483
89756 89756
213487 -33975
259610 5989
280159 -100647
353529 -174017
367495 -160051
417893 -80098
506283 -21263
543352 -58332
550427 -109653
631669 15835
656725 -65407
664733 -1213
728813 62867
782181 9499
868600 95918
958063 6455
1015984 -9221
1059787 64376
1104762 20573
1163127 -24402...

output:

YES

result:

ok single line: 'YES'

Test #19:

score: 0
Accepted
time: 1ms
memory: 5740kb

input:

100
34147 -34147
125881 -345
202224 57587
295718 40436
346068 90786
402776 34078
468919 133930
528960 40180
617215 -48075
665464 100221
738036 72746
769757 174
783894 55162
864594 -25538
938947 48815
1005807 115675
1070941 50541
1147275 41025
1230377 43773
1324332 137728
1401300 214696
1430687 18530...

output:

YES

result:

ok single line: 'YES'

Test #20:

score: 0
Accepted
time: 0ms
memory: 5660kb

input:

100
77792 -77792
169295 13711
305132 -55629
399497 105233
434076 10868
494655 131233
588394 70654
673278 309856
761111 397689
768489 390311
814988 343812
877420 406244
931377 460201
981245 410333
1041309 470397
1046667 465039
1062707 448999
1065990 452282
1068470 454762
1079487 443745
1174576 538834...

output:

YES

result:

ok single line: 'YES'

Test #21:

score: 0
Accepted
time: 1ms
memory: 5656kb

input:

100
53894 53894
135442 135442
200367 110566
243624 193872
332119 282367
340178 274308
385363 150615
399225 305631
476516 228340
540645 292469
570313 322137
593223 299227
651531 357535
668057 319493
727163 341009
759414 400115
832493 359287
918275 432366
961384 273505
1021849 290861
1031313 230396
11...

output:

YES

result:

ok single line: 'YES'

Test #22:

score: 0
Accepted
time: 1ms
memory: 5748kb

input:

100
52893 -52893
101814 -3972
239224 -87898
265563 -141382
266345 -114261
313693 -115043
394360 13754
493999 -85885
497056 -82828
575421 -66913
628962 -58004
725367 38401
757850 -4463
803225 116259
894789 24695
964839 70884
1044708 34514
1127864 -45355
1131503 117670
1170887 81925
1246292 6520
13038...

output:

YES

result:

ok single line: 'YES'

Test #23:

score: 0
Accepted
time: 1ms
memory: 5708kb

input:

100
121036 47104
155723 155723
208299 103147
225499 120347
321564 216412
415194 121036
458597 310042
492954 300996
575691 383733
632527 326897
647556 266639
672666 336978
701097 311868
723032 365409
737937 402249
802710 337476
869271 270915
939270 387344
987072 388716
1070505 340914
1076499 299289
1...

output:

YES

result:

ok single line: 'YES'

Test #24:

score: 0
Accepted
time: 1ms
memory: 5608kb

input:

100
19066 -19066
79299 41167
248978 -128512
341368 -38641
415112 -147158
486846 -75424
509843 -98421
597101 -220902
605342 -193920
660614 -249192
695083 -214723
778077 -131729
789682 -143334
851784 -205436
892446 -246098
928768 -185679
937603 -200941
999196 -262534
1030177 -209776
1055175 -256551
10...

output:

YES

result:

ok single line: 'YES'

Test #25:

score: 0
Accepted
time: 1ms
memory: 5656kb

input:

100
104982 -104982
194273 -15691
231648 21684
253273 43309
277325 19257
351385 93317
386548 128480
411038 -42838
478035 170987
500232 103990
520396 213348
562937 255889
592884 193184
643292 235428
659690 251826
659920 252056
669036 261172
683945 285836
767694 330012
863454 425772
936414 246263
10076...

output:

YES

result:

ok single line: 'YES'

Test #26:

score: 0
Accepted
time: 1ms
memory: 5608kb

input:

100
70425 70425
165404 165404
229545 101263
297118 137503
366451 106170
438717 -35429
441973 -32173
457797 -16349
480072 -38624
534875 -93427
612510 -15792
667662 36837
722947 39360
802272 -15925
890279 -95250
892397 -9361
955792 -7243
987819 86061
1040030 54034
1125407 52895
1217142 138272
1255132 ...

output:

YES

result:

ok single line: 'YES'

Test #27:

score: 0
Accepted
time: 1ms
memory: 5648kb

input:

100
76981 -76981
232876 -20663
320578 -32538
403941 -120240
496213 -41447
544550 50825
581113 6890
632861 -29673
649124 -65158
668174 -46108
681614 -32668
737144 -88198
780617 -81421
790720 -121568
837225 -168073
891831 -131671
900080 -214430
930505 -244855
1018493 -156867
1027988 -147372
1066446 -2...

output:

YES

result:

ok single line: 'YES'

Test #28:

score: 0
Accepted
time: 1ms
memory: 5588kb

input:

100
89389 89389
156281 22497
253884 -75106
285205 -106427
298414 -93218
313370 -108174
317620 -103924
350775 -137079
384826 -171130
394525 -161431
430874 -197780
556699 -323605
639587 -406493
655824 -236376
745520 -390256
814508 -410964
875056 -479952
890537 -350416
941713 -365897
997165 -417073
100...

output:

YES

result:

ok single line: 'YES'

Test #29:

score: 0
Accepted
time: 1ms
memory: 5716kb

input:

100
7156 7156
17981 17981
37569 37569
81723 -6585
148928 -73790
221418 -146280
232512 -157374
253493 -178355
361677 -183493
452238 -92932
511438 -235016
547990 -33732
549824 -72118
634727 -70284
710903 -80845
712665 -82607
715401 -157021
741330 -79871
839580 -105800
851693 -7550
893356 4563
969429 -...

output:

YES

result:

ok single line: 'YES'

Test #30:

score: 0
Accepted
time: 1ms
memory: 5692kb

input:

100
117840 28138
121673 -44851
193649 31971
202192 -48548
282175 -40005
353758 31435
368466 -54856
425105 -111495
463845 -40148
500723 -72755
541362 -76516
616939 -939
675610 57732
722724 -35877
818288 9282
891988 104846
922726 52244
967074 7896
1005889 82982
1061986 -30919
1160798 -87016
1209727 -3...

output:

YES

result:

ok single line: 'YES'

Test #31:

score: 0
Accepted
time: 1ms
memory: 5660kb

input:

100
60626 -60581
189954 -16462
239972 18774
253088 31890
300065 68792
322319 101121
394044 78867
464501 102389
469695 172846
534746 107548
587048 42462
682042 85218
697245 70079
724345 -9840
787448 106082
791861 101638
818610 42979
844082 74920
876263 100392
919306 25168
982324 68130
1042374 88119
1...

output:

NO

result:

ok single line: 'NO'

Test #32:

score: 0
Accepted
time: 1ms
memory: 5584kb

input:

100
143896 59539
196448 -77370
262369 -11449
309198 -24818
389887 -138967
430809 -58278
503227 -107372
567472 -179889
664983 -73983
728052 -171506
744097 -26959
749079 -10914
756094 -31941
781205 -38956
837136 -7958
909582 64488
972925 -63978
1026327 181233
1073250 134216
1094877 112683
1128899 1278...

output:

NO

result:

ok single line: 'NO'

Test #33:

score: 0
Accepted
time: 1ms
memory: 5720kb

input:

100
72050 -72050
127608 -127608
202541 -202453
216059 -188860
261290 -234104
348746 -146648
439553 -55841
527555 32161
536499 23217
541577 18139
586908 63470
679903 86423
728808 156465
772705 151457
790315 169067
793195 171947
824063 107560
834039 192910
863364 163535
870619 156259
945063 202815
960...

output:

NO

result:

ok single line: 'NO'

Test #34:

score: 0
Accepted
time: 1ms
memory: 5652kb

input:

100
25278 25236
82501 82501
173431 173431
342557 166735
372056 85520
458605 196234
500099 241289
530642 271832
544930 257544
618713 183761
682587 247697
744199 186147
766751 282783
771583 213531
811351 173763
883412 208699
959549 177839
1045507 91826
1054653 82735
1138204 -816
1142151 101702
1211261...

output:

NO

result:

ok single line: 'NO'

Test #35:

score: 0
Accepted
time: 0ms
memory: 5600kb

input:

100
81237 -81237
165513 -165525
312929 -248023
364458 -312929
447621 -364458
540011 -540011
615683 -615683
680497 -550869
762908 -468458
783808 -489384
811564 -447621
871195 -521285
956657 -461654
969938 -620028
1069526 -606747
1122939 -719616
1137292 -773029
1216670 -787382
1280958 -802472
1313812 ...

output:

NO

result:

ok single line: 'NO'

Test #36:

score: 0
Accepted
time: 1ms
memory: 5652kb

input:

100
88417 88417
181603 181603
236012 127260
261251 104062
311990 152694
321638 143046
364855 186263
463672 285017
508105 240521
542835 101955
612127 344543
674045 406461
733105 347401
812039 268467
833318 289746
898811 224253
908907 234349
955450 275251
1000461 235881
1055195 290615
1107632 343052
1...

output:

NO

result:

ok single line: 'NO'

Test #37:

score: 0
Accepted
time: 1ms
memory: 5644kb

input:

100
7576 7576
76331 76331
144039 72116
238831 230401
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output:

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result:

ok single line: 'NO'

Test #38:

score: 0
Accepted
time: 1ms
memory: 5748kb

input:

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result:

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Test #39:

score: 0
Accepted
time: 1ms
memory: 5648kb

input:

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result:

ok single line: 'NO'

Test #40:

score: 0
Accepted
time: 0ms
memory: 5648kb

input:

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NO

result:

ok single line: 'NO'

Test #41:

score: 0
Accepted
time: 1ms
memory: 5636kb

input:

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result:

ok single line: 'NO'

Test #42:

score: 0
Accepted
time: 1ms
memory: 5692kb

input:

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result:

ok single line: 'NO'

Test #43:

score: 0
Accepted
time: 1ms
memory: 5536kb

input:

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result:

ok single line: 'NO'

Test #44:

score: 0
Accepted
time: 1ms
memory: 5644kb

input:

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result:

ok single line: 'NO'

Test #45:

score: 0
Accepted
time: 1ms
memory: 5692kb

input:

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result:

ok single line: 'NO'

Test #46:

score: 0
Accepted
time: 0ms
memory: 5728kb

input:

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result:

ok single line: 'NO'

Test #47:

score: 0
Accepted
time: 0ms
memory: 5712kb

input:

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result:

ok single line: 'YES'

Test #48:

score: 0
Accepted
time: 1ms
memory: 5652kb

input:

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ok single line: 'NO'

Test #49:

score: 0
Accepted
time: 1ms
memory: 5540kb

input:

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result:

ok single line: 'NO'

Test #50:

score: 0
Accepted
time: 1ms
memory: 5588kb

input:

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ok single line: 'NO'

Subtask #3:

score: 10
Accepted

Dependency #2:

100%
Accepted

Test #51:

score: 10
Accepted
time: 4ms
memory: 5700kb

input:

5000
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result:

ok single line: 'NO'

Test #52:

score: 0
Accepted
time: 3ms
memory: 5636kb

input:

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result:

ok single line: 'NO'

Test #53:

score: 0
Accepted
time: 4ms
memory: 5580kb

input:

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result:

ok single line: 'NO'

Test #54:

score: 0
Accepted
time: 3ms
memory: 5640kb

input:

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result:

ok single line: 'NO'

Test #55:

score: 0
Accepted
time: 4ms
memory: 5776kb

input:

5000
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NO

result:

ok single line: 'NO'

Test #56:

score: 0
Accepted
time: 3ms
memory: 5580kb

input:

5000
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result:

ok single line: 'NO'

Test #57:

score: 0
Accepted
time: 3ms
memory: 5628kb

input:

5000
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result:

ok single line: 'NO'

Test #58:

score: 0
Accepted
time: 3ms
memory: 5688kb

input:

5000
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result:

ok single line: 'NO'

Test #59:

score: 0
Accepted
time: 0ms
memory: 5728kb

input:

5000
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result:

ok single line: 'NO'

Test #60:

score: 0
Accepted
time: 0ms
memory: 5576kb

input:

5000
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NO

result:

ok single line: 'NO'

Test #61:

score: 0
Accepted
time: 4ms
memory: 5576kb

input:

5000
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result:

ok single line: 'NO'

Test #62:

score: 0
Accepted
time: 0ms
memory: 5580kb

input:

5000
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result:

ok single line: 'NO'

Test #63:

score: 0
Accepted
time: 0ms
memory: 5728kb

input:

5000
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NO

result:

ok single line: 'NO'

Test #64:

score: 0
Accepted
time: 3ms
memory: 5692kb

input:

5000
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NO

result:

ok single line: 'NO'

Test #65:

score: 0
Accepted
time: 3ms
memory: 5752kb

input:

5000
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result:

ok single line: 'NO'

Test #66:

score: 0
Accepted
time: 0ms
memory: 5796kb

input:

5000
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NO

result:

ok single line: 'NO'

Test #67:

score: 0
Accepted
time: 3ms
memory: 5624kb

input:

5000
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result:

ok single line: 'NO'

Test #68:

score: 0
Accepted
time: 3ms
memory: 5732kb

input:

5000
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result:

ok single line: 'NO'

Test #69:

score: 0
Accepted
time: 4ms
memory: 5684kb

input:

5000
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output:

NO

result:

ok single line: 'NO'

Test #70:

score: 0
Accepted
time: 3ms
memory: 5580kb

input:

5000
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result:

ok single line: 'NO'

Test #71:

score: 0
Accepted
time: 4ms
memory: 5692kb

input:

5000
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output:

YES

result:

ok single line: 'YES'

Test #72:

score: 0
Accepted
time: 4ms
memory: 5744kb

input:

5000
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output:

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result:

ok single line: 'YES'

Test #73:

score: 0
Accepted
time: 4ms
memory: 5776kb

input:

5000
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output:

YES

result:

ok single line: 'YES'

Test #74:

score: 0
Accepted
time: 5ms
memory: 5688kb

input:

5000
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output:

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result:

ok single line: 'YES'

Test #75:

score: 0
Accepted
time: 2ms
memory: 5632kb

input:

5000
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output:

YES

result:

ok single line: 'YES'

Test #76:

score: 0
Accepted
time: 2ms
memory: 5672kb

input:

5000
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output:

YES

result:

ok single line: 'YES'

Test #77:

score: 0
Accepted
time: 5ms
memory: 7828kb

input:

5000
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output:

YES

result:

ok single line: 'YES'

Test #78:

score: 0
Accepted
time: 4ms
memory: 5760kb

input:

5000
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output:

YES

result:

ok single line: 'YES'

Test #79:

score: 0
Accepted
time: 4ms
memory: 5684kb

input:

5000
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output:

YES

result:

ok single line: 'YES'

Test #80:

score: 0
Accepted
time: 4ms
memory: 5732kb

input:

5000
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output:

YES

result:

ok single line: 'YES'

Test #81:

score: 0
Accepted
time: 4ms
memory: 5580kb

input:

5000
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output:

YES

result:

ok single line: 'YES'

Test #82:

score: 0
Accepted
time: 5ms
memory: 5760kb

input:

5000
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output:

YES

result:

ok single line: 'YES'

Test #83:

score: 0
Accepted
time: 4ms
memory: 5732kb

input:

5000
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output:

YES

result:

ok single line: 'YES'

Test #84:

score: 0
Accepted
time: 5ms
memory: 5688kb

input:

5000
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output:

YES

result:

ok single line: 'YES'

Test #85:

score: 0
Accepted
time: 4ms
memory: 5792kb

input:

5000
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output:

YES

result:

ok single line: 'YES'

Test #86:

score: 0
Accepted
time: 0ms
memory: 5688kb

input:

5000
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output:

YES

result:

ok single line: 'YES'

Test #87:

score: 0
Accepted
time: 5ms
memory: 5644kb

input:

5000
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output:

YES

result:

ok single line: 'YES'

Test #88:

score: 0
Accepted
time: 4ms
memory: 5688kb

input:

5000
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output:

YES

result:

ok single line: 'YES'

Test #89:

score: 0
Accepted
time: 5ms
memory: 5728kb

input:

5000
53397 53397
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output:

YES

result:

ok single line: 'YES'

Test #90:

score: 0
Accepted
time: 4ms
memory: 5724kb

input:

5000
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output:

YES

result:

ok single line: 'YES'

Subtask #4:

score: 20
Accepted

Test #91:

score: 20
Accepted
time: 3ms
memory: 5628kb

input:

5000
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output:

YES

result:

ok single line: 'YES'

Test #92:

score: 0
Accepted
time: 3ms
memory: 5784kb

input:

5000
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output:

YES

result:

ok single line: 'YES'

Test #93:

score: 0
Accepted
time: 4ms
memory: 5752kb

input:

5000
136 32
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output:

YES

result:

ok single line: 'YES'

Test #94:

score: 0
Accepted
time: 4ms
memory: 5724kb

input:

5000
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output:

YES

result:

ok single line: 'YES'

Test #95:

score: 0
Accepted
time: 0ms
memory: 5684kb

input:

5000
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output:

YES

result:

ok single line: 'YES'

Test #96:

score: 0
Accepted
time: 3ms
memory: 5732kb

input:

5000
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output:

YES

result:

ok single line: 'YES'

Test #97:

score: 0
Accepted
time: 4ms
memory: 5756kb

input:

5000
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1816 ...

output:

YES

result:

ok single line: 'YES'

Test #98:

score: 0
Accepted
time: 4ms
memory: 5776kb

input:

5000
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output:

YES

result:

ok single line: 'YES'

Test #99:

score: 0
Accepted
time: 4ms
memory: 5672kb

input:

5000
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output:

YES

result:

ok single line: 'YES'

Test #100:

score: 0
Accepted
time: 4ms
memory: 5624kb

input:

5000
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output:

YES

result:

ok single line: 'YES'

Test #101:

score: 0
Accepted
time: 0ms
memory: 5688kb

input:

5000
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2281 2...

output:

YES

result:

ok single line: 'YES'

Test #102:

score: 0
Accepted
time: 0ms
memory: 5692kb

input:

5000
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output:

YES

result:

ok single line: 'YES'

Test #103:

score: 0
Accepted
time: 0ms
memory: 5580kb

input:

5000
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output:

YES

result:

ok single line: 'YES'

Test #104:

score: 0
Accepted
time: 3ms
memory: 5756kb

input:

5000
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output:

YES

result:

ok single line: 'YES'

Test #105:

score: 0
Accepted
time: 4ms
memory: 5628kb

input:

5000
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output:

YES

result:

ok single line: 'YES'

Test #106:

score: 0
Accepted
time: 0ms
memory: 5684kb

input:

5000
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output:

YES

result:

ok single line: 'YES'

Test #107:

score: 0
Accepted
time: 0ms
memory: 5756kb

input:

5000
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output:

YES

result:

ok single line: 'YES'

Test #108:

score: 0
Accepted
time: 0ms
memory: 5724kb

input:

5000
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output:

YES

result:

ok single line: 'YES'

Test #109:

score: 0
Accepted
time: 4ms
memory: 5704kb

input:

5000
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output:

YES

result:

ok single line: 'YES'

Test #110:

score: 0
Accepted
time: 4ms
memory: 5784kb

input:

5000
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157...

output:

YES

result:

ok single line: 'YES'

Test #111:

score: 0
Accepted
time: 3ms
memory: 5780kb

input:

5000
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1463 367
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1500 404
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1652 540
1699 48...

output:

NO

result:

ok single line: 'NO'

Test #112:

score: 0
Accepted
time: 2ms
memory: 5780kb

input:

5000
33 -33
160 -32
204 31
292 100
379 12
457 265
538 346
621 429
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687 377
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1809 757
...

output:

NO

result:

ok single line: 'NO'

Test #113:

score: 0
Accepted
time: 0ms
memory: 5688kb

input:

5000
134 78
162 106
207 61
279 133
326 86
354 134
401 105
416 90
493 167
570 58
605 55
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output:

NO

result:

ok single line: 'NO'

Test #114:

score: 0
Accepted
time: 2ms
memory: 5580kb

input:

5000
63 63
178 84
187 169
256 100
337 181
388 232
473 178
541 215
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653 283
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1786 41
...

output:

NO

result:

ok single line: 'NO'

Test #115:

score: 0
Accepted
time: 0ms
memory: 5628kb

input:

5000
71 -71
136 -136
224 -138
231 -131
251 -181
306 -56
354 -111
371 -25
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1655 ...

output:

NO

result:

ok single line: 'NO'

Test #116:

score: 0
Accepted
time: 2ms
memory: 5576kb

input:

5000
10 10
77 77
113 41
147 75
326 88
380 -8
385 34
451 29
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output:

NO

result:

ok single line: 'NO'

Test #117:

score: 0
Accepted
time: 3ms
memory: 5552kb

input:

5000
88 88
213 213
271 128
296 246
366 271
431 176
520 200
607 287
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2219 489
2263...

output:

NO

result:

ok single line: 'NO'

Test #118:

score: 0
Accepted
time: 0ms
memory: 5704kb

input:

5000
68 68
135 1
226 92
371 152
443 -5
463 -25
527 39
544 56
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2165...

output:

NO

result:

ok single line: 'NO'

Test #119:

score: 0
Accepted
time: 0ms
memory: 7732kb

input:

5000
74 74
88 60
181 -33
193 47
220 -45
222 -72
267 -119
331 -74
377 -183
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output:

NO

result:

ok single line: 'NO'

Test #120:

score: 0
Accepted
time: 2ms
memory: 5780kb

input:

5000
92 92
154 30
160 82
181 36
246 -50
289 15
377 81
392 -7
475 96
494 198
518 222
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1...

output:

NO

result:

ok single line: 'NO'

Test #121:

score: 0
Accepted
time: 2ms
memory: 5692kb

input:

5000
126 -65
137 -137
150 -124
155 -102
220 -54
303 29
321 -126
394 11
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1557 212
...

output:

NO

result:

ok single line: 'NO'

Test #122:

score: 0
Accepted
time: 3ms
memory: 5680kb

input:

5000
111 111
168 77
237 54
247 -5
286 -15
378 -136
476 -44
563 -38
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...

output:

NO

result:

ok single line: 'NO'

Test #123:

score: 0
Accepted
time: 2ms
memory: 5688kb

input:

5000
89 -55
112 17
174 30
208 -32
218 64
248 84
300 32
394 54
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1...

output:

NO

result:

ok single line: 'NO'

Test #124:

score: 0
Accepted
time: 3ms
memory: 5728kb

input:

5000
98 -39
134 -98
218 -218
263 -134
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400 -235
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1...

output:

NO

result:

ok single line: 'NO'

Test #125:

score: 0
Accepted
time: 3ms
memory: 5724kb

input:

5000
1 1
25 25
43 7
84 48
94 58
168 107
228 142
275 82
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381 13
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1791 31...

output:

NO

result:

ok single line: 'NO'

Test #126:

score: 0
Accepted
time: 2ms
memory: 5636kb

input:

5000
73 73
76 76
131 38
209 21
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436 -76
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2...

output:

NO

result:

ok single line: 'NO'

Test #127:

score: 0
Accepted
time: 3ms
memory: 5796kb

input:

5000
12 12
175 96
267 109
300 17
358 200
376 142
455 103
498 60
573 182
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19...

output:

NO

result:

ok single line: 'NO'

Test #128:

score: 0
Accepted
time: 2ms
memory: 5624kb

input:

5000
37 37
109 21
123 63
203 77
273 143
322 213
356 164
421 130
519 -33
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2122 3...

output:

NO

result:

ok single line: 'NO'

Test #129:

score: 0
Accepted
time: 3ms
memory: 5692kb

input:

5000
121 121
219 23
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286 -42
341 24
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1...

output:

NO

result:

ok single line: 'NO'

Test #130:

score: 0
Accepted
time: 2ms
memory: 5640kb

input:

5000
167 -85
255 -91
263 -83
342 -3
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16...

output:

NO

result:

ok single line: 'NO'

Test #131:

score: 0
Accepted
time: 1ms
memory: 5744kb

input:

11
1 1
2 1
3 1
4 -2
6 -2
6 1
8 1
11 5
11 1
13 5
14 2

output:

NO

result:

ok single line: 'NO'

Test #132:

score: 0
Accepted
time: 1ms
memory: 5596kb

input:

10
1 1
2 1
3 1
4 -2
6 -2
6 1
8 1
11 1
13 5
14 2

output:

NO

result:

ok single line: 'NO'

Test #133:

score: 0
Accepted
time: 1ms
memory: 5592kb

input:

11
1 -1
2 -1
3 1
4 1
4 -1
5 -1
7 2
8 1
10 -2
11 1
12 3

output:

NO

result:

ok single line: 'NO'

Test #134:

score: 0
Accepted
time: 0ms
memory: 5632kb

input:

15
1 1
2 1
3 2
4 4
6 3
7 1
8 1
11 5
11 1
13 5
15 1
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output:

NO

result:

ok single line: 'NO'

Test #135:

score: 0
Accepted
time: 1ms
memory: 5700kb

input:

9
2 2
3 2
4 4
7 0
7 3
8 3
8 -1
9 -1
10 -3

output:

NO

result:

ok single line: 'NO'

Test #136:

score: 0
Accepted
time: 1ms
memory: 5588kb

input:

9
2 2
3 2
4 3
7 0
7 3
8 4
8 -1
9 -1
10 -3

output:

NO

result:

ok single line: 'NO'

Test #137:

score: 0
Accepted
time: 1ms
memory: 5548kb

input:

10
1 1
2 1
3 1
9 -5
9 1
9 -6
10 -5
11 -8
15 -4
21 2


output:

NO

result:

ok single line: 'NO'

Test #138:

score: 0
Accepted
time: 1ms
memory: 5652kb

input:

10
1 -1
2 -1
3 1
4 2
4 -1
5 3
7 2
8 3
10 -2
11 1


output:

NO

result:

ok single line: 'NO'

Test #139:

score: 0
Accepted
time: 0ms
memory: 5652kb

input:

6
2 1
3 1
5 5
6 1
8 7
8 6

output:

YES

result:

ok single line: 'YES'

Test #140:

score: 0
Accepted
time: 0ms
memory: 5664kb

input:

9
2 2
3 2
4 3
6 0
7 3
8 3
8 -1
9 -1
10 -3

output:

YES

result:

ok single line: 'YES'

Test #141:

score: 0
Accepted
time: 1ms
memory: 5744kb

input:

11
1 1
2 1
3 1
4 4
6 4
7 1
8 1
11 5
11 1
13 5
15 1

output:

YES

result:

ok single line: 'YES'

Test #142:

score: 0
Accepted
time: 1ms
memory: 5544kb

input:

11
1 1
2 1
3 1
4 -2
6 -2
7 1
8 1
11 5
11 1
13 5
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output:

YES

result:

ok single line: 'YES'

Test #143:

score: 0
Accepted
time: 1ms
memory: 5652kb

input:

11
1 1
2 1
3 1
4 -2
6 -2
7 1
8 1
11 5
11 1
13 5
14 2

output:

YES

result:

ok single line: 'YES'

Test #144:

score: 0
Accepted
time: 1ms
memory: 5720kb

input:

10
1 1
2 1
3 1
4 -2
6 -2
6 1
8 1
11 1
14 5
14 2

output:

YES

result:

ok single line: 'YES'

Test #145:

score: 0
Accepted
time: 1ms
memory: 5652kb

input:

8
1 -1
2 -1
3 1
4 1
4 -1
5 -1
7 2
8 1


output:

YES

result:

ok single line: 'YES'

Test #146:

score: 0
Accepted
time: 1ms
memory: 5660kb

input:

10
1 -1
2 -1
3 1
4 2
4 -1
5 3
7 2
8 1
10 -2
11 1


output:

YES

result:

ok single line: 'YES'

Test #147:

score: 0
Accepted
time: 1ms
memory: 5604kb

input:

13
1 -1
2 -1
3 1
4 1
4 -1
5 -1
7 2
8 1
10 -2
11 1
12 0
12 1
14 -2

output:

YES

result:

ok single line: 'YES'

Test #148:

score: 0
Accepted
time: 1ms
memory: 5716kb

input:

14
1 1
2 1
3 1
4 4
6 4
7 1
8 1
11 5
11 1
13 5
15 1
16 3
17 1
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output:

YES

result:

ok single line: 'YES'

Test #149:

score: 0
Accepted
time: 0ms
memory: 5688kb

input:

14
1 1
2 1
3 1
4 4
6 4
7 1
8 1
11 5
11 1
13 5
15 1
16 3
17 0
18 2

output:

YES

result:

ok single line: 'YES'

Test #150:

score: 0
Accepted
time: 1ms
memory: 5540kb

input:

9
1 1
2 1
3 1
9 -5
9 -6
10 -5
11 -8
15 -4
21 2


output:

YES

result:

ok single line: 'YES'

Subtask #5:

score: 20
Accepted

Dependency #3:

100%
Accepted

Test #151:

score: 20
Accepted
time: 66ms
memory: 6548kb

input:

100000
103 81
168 59
178 124
195 114
200 131
293 229
310 246
399 136
472 157
538 18
576 -20
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output:

YES

result:

ok single line: 'YES'

Test #152:

score: 0
Accepted
time: 61ms
memory: 6432kb

input:

100000
138 138
194 82
292 47
350 -16
393 -31
406 -74
428 -40
498 -18
526 2
579 55
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1988 158
2052 -80...

output:

YES

result:

ok single line: 'YES'

Test #153:

score: 0
Accepted
time: 68ms
memory: 6380kb

input:

100000
78 78
171 171
262 108
330 40
405 185
422 -52
432 -35
438 -68
472 -34
553 47
627 121
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output:

YES

result:

ok single line: 'YES'

Test #154:

score: 0
Accepted
time: 66ms
memory: 6320kb

input:

100000
102 72
149 102
165 133
246 149
326 214
331 299
420 210
427 217
508 298
523 294
559 283
644 319
714 404
722 482
754 514
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1479 731
1553 805
1586 838
1619 671
1629 87...

output:

YES

result:

ok single line: 'YES'

Test #155:

score: 0
Accepted
time: 65ms
memory: 6324kb

input:

100000
23 -23
172 -73
238 -40
277 -79
292 -64
323 -95
327 -99
380 -152
406 26
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1719 -368
...

output:

YES

result:

ok single line: 'YES'

Test #156:

score: 0
Accepted
time: 68ms
memory: 8484kb

input:

100000
72 72
169 169
251 87
262 76
331 7
354 40
401 -17
413 -29
428 30
433 -9
478 36
546 -32
627 -14
675 97
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1799 753
1829 783
...

output:

YES

result:

ok single line: 'YES'

Test #157:

score: 0
Accepted
time: 65ms
memory: 6432kb

input:

100000
14 -14
144 116
210 50
263 -3
283 -23
311 45
341 -25
385 -69
414 5
431 -81
459 -109
481 -87
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1671 3
1760...

output:

YES

result:

ok single line: 'YES'

Test #158:

score: 0
Accepted
time: 66ms
memory: 6472kb

input:

100000
75 75
241 85
302 146
395 239
476 163
531 375
579 320
654 498
698 542
762 478
826 414
866 374
872 380
910 423
950 418
1003 325
1096 378
1142 232
1186 142
1204 124
1237 186
1312 82
1376 18
1440 -46
1505 19
1527 -3
1599 157
1689 -21
1723 69
1728 -50
1781 -103
1791 -55
1795 -109
1825 -113
1886 -1...

output:

YES

result:

ok single line: 'YES'

Test #159:

score: 0
Accepted
time: 65ms
memory: 6320kb

input:

100000
10 10
138 8
176 -30
188 -55
285 -115
306 -136
309 -18
337 -133
419 -23
449 -105
466 24
561 7
631 119
638 182
712 108
775 189
866 136
873 143
957 45
1016 0
1067 59
1098 -20
1134 16
1197 79
1202 74
1282 -6
1335 47
1402 114
1427 -51
1435 97
1436 96
1480 89
1532 140
1535 192
1577 195
1667 237
176...

output:

YES

result:

ok single line: 'YES'

Test #160:

score: 0
Accepted
time: 66ms
memory: 6992kb

input:

100000
125 -75
163 -163
175 -125
245 -221
273 -193
351 -115
447 -211
544 -308
555 -319
563 -311
655 -403
684 -151
734 -482
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866 -564
898 -532
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1085 -577
1131 -623
1149 -605
1164 -530
1238 -590
1276 -516
1333 -611
1376 -568
1385 -559
1442 -502
153...

output:

YES

result:

ok single line: 'YES'

Test #161:

score: 0
Accepted
time: 35ms
memory: 6500kb

input:

100000
78 28
82 -22
151 -87
202 -36
237 -1
298 60
320 82
395 7
408 20
477 -18
487 79
579 89
592 184
653 171
686 212
687 211
719 243
789 173
811 245
893 277
941 195
1042 224
1091 175
1148 118
1235 205
1283 253
1364 325
1441 95
1499 153
1537 172
1593 59
1637 15
1724 115
1809 102
1900 187
1985 181
2080...

output:

NO

result:

ok single line: 'NO'

Test #162:

score: 0
Accepted
time: 38ms
memory: 6476kb

input:

100000
27 27
38 16
97 -43
142 2
208 -64
285 -27
303 -9
389 -95
394 -100
476 -7
484 -18
583 -109
663 -10
679 -173
739 -189
823 -197
844 -218
906 -113
940 -190
996 -134
1070 -60
1083 -47
1102 -156
1107 -33
1200 -28
1262 122
1305 165
1358 60
1452 124
1471 143
1564 236
1569 231
1605 218
1680 267
1711 34...

output:

NO

result:

ok single line: 'NO'

Test #163:

score: 0
Accepted
time: 39ms
memory: 6944kb

input:

100000
171 9
236 74
318 -8
405 -81
421 -79
432 -95
439 -68
524 -160
540 -75
632 -84
675 -176
704 -127
731 -125
748 -142
832 -58
866 -98
962 72
1006 -24
1055 165
1150 260
1168 278
1259 369
1294 404
1363 473
1444 554
1542 652
1585 695
1681 791
1691 781
1716 116
1761 711
1800 750
1926 756
1958 908
1992...

output:

NO

result:

ok single line: 'NO'

Test #164:

score: 0
Accepted
time: 36ms
memory: 6488kb

input:

100000
89 89
208 151
245 131
273 103
362 14
382 34
398 94
441 93
486 48
517 17
544 -10
588 50
656 -122
723 -55
758 -20
803 -54
869 -65
872 -2
986 1
1075 112
1087 35
1195 -73
1205 -63
1229 23
1243 -101
1272 -72
1352 -87
1369 -135
1406 -152
1423 -155
1487 -172
1586 -219
1665 -120
1681 -215
1691 -225
1...

output:

NO

result:

ok single line: 'NO'

Test #165:

score: 0
Accepted
time: 37ms
memory: 7016kb

input:

100000
32 -32
118 54
192 -20
228 -26
309 -5
311 -107
343 -77
353 -67
451 31
525 -109
549 -43
630 -100
699 -169
789 -79
961 -251
974 -264
1070 -168
1071 -167
1072 -166
1073 -165
1111 -203
1197 -19
1296 -117
1370 -216
1453 -142
1518 -225
1543 -250
1563 -255
1570 -248
1680 -290
1764 -54
1814 -104
1865 ...

output:

NO

result:

ok single line: 'NO'

Test #166:

score: 0
Accepted
time: 40ms
memory: 6524kb

input:

100000
75 75
125 125
186 64
231 19
255 -5
284 -32
358 -106
385 -133
390 -138
399 -33
423 -129
455 -137
473 -119
482 -105
503 -149
532 -128
570 -158
584 -172
603 -153
641 -115
713 -43
751 -81
769 -63
819 -13
857 -120
863 25
956 -62
1039 -145
1113 31
1159 -173
1282 -50
1368 36
1422 -219
1595 -191
1615...

output:

NO

result:

ok single line: 'NO'

Test #167:

score: 0
Accepted
time: 36ms
memory: 8492kb

input:

100000
65 -65
148 -148
212 -212
230 -230
260 -260
328 -192
477 -187
498 -208
555 -265
618 -202
645 -264
719 -101
727 -168
816 -93
915 -83
961 -37
1006 8
1086 88
1176 -2
1216 38
1222 44
1319 -53
1400 -134
1419 -115
1430 -104
1473 -147
1529 -91
1563 -182
1583 -105
1638 -125
1691 -50
1783 -103
1789 -5
...

output:

NO

result:

ok single line: 'NO'

Test #168:

score: 0
Accepted
time: 40ms
memory: 6432kb

input:

100000
4 4
5 3
39 15
61 -29
145 -113
205 -173
231 -7
262 -116
278 -147
344 -166
419 -91
424 -100
599 79
657 137
735 -96
833 157
932 58
954 80
1096 59
1187 -62
1196 29
1205 47
1292 38
1338 134
1373 123
1449 199
1454 88
1509 194
1555 203
1585 233
1643 175
1687 249
1778 222
1864 308
1914 358
1997 275
2...

output:

NO

result:

ok single line: 'NO'

Test #169:

score: 0
Accepted
time: 41ms
memory: 8480kb

input:

100000
30 -30
154 -63
253 -71
282 28
298 -58
319 -79
326 -42
343 -89
371 -61
438 -72
523 -213
619 -309
713 -403
797 -128
863 -487
885 -421
976 -399
1063 -221
1070 -228
1140 -308
1189 -298
1200 -260
1255 -249
1300 -360
1314 -374
1389 -449
1400 -460
1481 -541
1484 -538
1525 -497
1607 -315
1626 -598
16...

output:

NO

result:

ok single line: 'NO'

Test #170:

score: 0
Accepted
time: 34ms
memory: 6444kb

input:

100000
74 -74
125 -125
133 -133
170 -170
244 -96
297 -43
322 -68
400 10
483 93
569 7
598 -22
695 -119
747 -67
763 -51
814 0
819 5
839 25
850 36
918 104
926 96
1013 9
1040 36
1122 118
1217 213
1309 305
1351 347
1420 416
1425 411
1465 371
1509 415
1583 489
1583 489
1610 462
1629 443
1638 434
1715 511
...

output:

YES

result:

ok single line: 'YES'

Subtask #6:

score: 10
Accepted

Dependency #5:

100%
Accepted

Test #171:

score: 10
Accepted
time: 198ms
memory: 9296kb

input:

300000
15 -15
32 2
123 -89
194 -160
209 -145
277 -213
306 -242
412 -254
500 -166
522 -188
528 -194
605 -301
639 -271
730 -328
798 -237
856 -202
932 -126
964 -94
984 -114
985 -113
1025 -73
1047 -95
1055 -260
1132 -164
1166 -87
1229 -67
1248 -86
1345 -183
1413 -130
1447 -149
1534 -236
1625 -327
1660 -...

output:

YES

result:

ok single line: 'YES'

Test #172:

score: 0
Accepted
time: 197ms
memory: 8548kb

input:

300000
39 39
57 22
111 75
194 -8
280 -94
340 -154
365 -129
407 -87
467 -27
539 -99
562 -122
658 -218
693 21
769 -259
865 -163
868 -166
930 -183
1017 -191
1029 -203
1045 -219
1056 -208
1118 -146
1127 -155
1217 -104
1230 -258
1249 -239
1304 -184
1331 -211
1335 -207
1403 -245
1404 -275
1462 -216
1471 -...

output:

YES

result:

ok single line: 'YES'

Test #173:

score: 0
Accepted
time: 204ms
memory: 9992kb

input:

300000
11 -11
26 4
74 -44
170 -140
182 -128
183 -127
221 -165
299 -87
342 -130
353 -141
517 -113
616 -14
658 -45
720 90
734 104
791 161
843 28
922 30
1013 -61
1080 6
1090 109
1105 16
1157 31
1194 46
1292 144
1295 83
1393 49
1395 147
1478 130
1521 87
1625 -17
1692 47
1722 20
1731 29
1814 50
1870 -54
...

output:

YES

result:

ok single line: 'YES'

Test #174:

score: 0
Accepted
time: 193ms
memory: 9072kb

input:

300000
75 4
159 -9
184 16
210 42
267 -15
323 -71
324 75
398 -70
439 -144
461 -185
522 -146
597 -221
673 -207
674 -296
716 -297
758 -338
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883 -349
918 -314
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953 -325
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1012 -380
1106 -238
1180 -332
1244 -248
1252 -256
1308 -200
1350 -158
1397 -205
1452 -312
1534 -68
1582 -116
1...

output:

YES

result:

ok single line: 'YES'

Test #175:

score: 0
Accepted
time: 204ms
memory: 9800kb

input:

300000
16 -16
68 36
77 45
160 122
175 107
218 125
251 150
287 183
301 133
310 142
380 72
470 147
494 186
516 208
534 162
556 212
654 310
677 287
697 307
753 363
781 391
794 190
892 306
942 356
979 319
1073 404
1102 196
1123 225
1211 175
1301 353
1371 423
1463 515
1501 553
1597 649
1665 717
1734 786
...

output:

YES

result:

ok single line: 'YES'

Test #176:

score: 0
Accepted
time: 204ms
memory: 10272kb

input:

300000
76 76
240 74
304 157
354 188
397 145
431 179
452 158
505 138
573 105
631 37
636 95
693 43
714 64
791 -13
814 100
881 77
931 10
944 40
975 71
995 51
1091 27
1092 146
1165 219
1212 172
1226 186
1294 147
1356 118
1435 135
1436 136
1439 56
1485 87
1513 133
1565 167
1619 221
1693 115
1749 351
1799...

output:

YES

result:

ok single line: 'YES'

Test #177:

score: 0
Accepted
time: 200ms
memory: 8436kb

input:

300000
83 83
199 164
297 297
332 262
385 315
389 199
463 393
560 296
561 295
612 244
649 281
742 319
798 132
808 122
899 213
985 127
1039 181
1109 111
1208 210
1274 276
1277 273
1336 332
1382 378
1419 341
1421 339
1504 422
1556 188
1629 547
1712 630
1762 680
1846 474
1888 638
1933 596
1968 683
2024 ...

output:

YES

result:

ok single line: 'YES'

Test #178:

score: 0
Accepted
time: 200ms
memory: 8784kb

input:

300000
169 78
252 86
263 169
286 75
372 12
431 98
443 -47
533 -149
534 -150
569 -115
581 -59
621 -143
678 -200
699 -103
717 -203
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1003 -289
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1194 -328
1230 -292
1254 -268
1316 -300
1414 -108
1438 -206
1477 -132
1523 -125
1580 -68
1658 -1...

output:

YES

result:

ok single line: 'YES'

Test #179:

score: 0
Accepted
time: 216ms
memory: 9016kb

input:

300000
81 81
144 26
188 85
280 74
339 133
427 45
523 141
617 -18
641 71
666 47
744 96
786 174
787 215
862 216
949 53
1038 142
1176 4
1203 140
1213 -23
1303 -123
1354 -72
1448 -166
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1659 -147
1669 -137
1714 -223
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1833 -92
1854 -91
1893 -109
1897 -113
1930 -80
1955...

output:

YES

result:

ok single line: 'YES'

Test #180:

score: 0
Accepted
time: 214ms
memory: 8396kb

input:

300000
80 80
111 49
141 19
204 -44
281 33
325 -11
422 -108
479 -51
502 -74
592 16
602 -57
658 26
739 163
787 115
834 68
921 -19
953 13
1016 -50
1093 82
1148 27
1220 -100
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1558 -140
1629 -69
1721 -161
1802 -107
1834 -112
1850 -96
1...

output:

YES

result:

ok single line: 'YES'

Test #181:

score: 0
Accepted
time: 119ms
memory: 9980kb

input:

300000
60 60
144 -24
166 18
283 115
388 10
418 40
428 30
463 94
557 89
561 -5
608 46
648 86
739 93
805 111
829 87
864 52
940 128
975 177
1042 230
1100 288
1169 163
1192 380
1221 409
1252 440
1280 357
1302 412
1347 479
1437 569
1486 434
1562 596
1604 638
1686 520
1687 555
1743 556
1771 611
1811 599
1...

output:

NO

result:

ok single line: 'NO'

Test #182:

score: 0
Accepted
time: 120ms
memory: 8748kb

input:

300000
30 -30
102 -102
109 -95
181 -113
221 -73
252 -42
328 34
409 115
494 30
568 -44
617 -93
630 -80
702 -8
765 -68
770 -71
848 2
903 -76
1000 57
1011 143
1109 45
1180 -26
1199 -45
1245 154
1268 1
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1323 -77
1331 -69
1365 -22
1372 -103
1464 -4
1491 -31
1533 11
1601 -96
1611 89
1671 29
1755 -...

output:

NO

result:

ok single line: 'NO'

Test #183:

score: 0
Accepted
time: 122ms
memory: 9328kb

input:

300000
56 -56
110 -110
117 -37
198 -117
214 -36
237 3
316 82
369 29
386 46
411 21
423 33
509 -53
556 -6
572 -22
635 -20
734 140
810 216
842 41
896 238
1074 60
1170 184
1213 156
1248 199
1323 234
1406 309
1446 392
1456 362
1481 352
1542 326
1632 236
1672 387
1765 369
1802 276
1803 332
1811 341
1814 3...

output:

NO

result:

ok single line: 'NO'

Test #184:

score: 0
Accepted
time: 120ms
memory: 9804kb

input:

300000
41 -41
126 44
189 -29
219 77
242 54
258 38
281 15
370 107
376 98
463 11
507 104
596 56
618 -33
690 78
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855 7
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1016 -78
1095 1
1176 -80
1184 -88
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1435 -121
1443 -113
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1477 -119
1547 -39
1636 40
1693 97
1741 -49
1817 221
1834 145
...

output:

NO

result:

ok single line: 'NO'

Test #185:

score: 0
Accepted
time: 123ms
memory: 9184kb

input:

300000
53 -53
144 38
196 -14
197 -13
269 -85
299 -65
306 -62
350 -106
426 -55
482 -182
581 -27
630 -126
696 -142
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779 -105
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897 -223
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1061 -205
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1167 -99
1222 -44
1257 -76
1352 86
1379 -9
1475 155
1559 239
1633 313
1659 287
1707 335
1795 247
1854 3...

output:

NO

result:

ok single line: 'NO'

Test #186:

score: 0
Accepted
time: 111ms
memory: 9196kb

input:

300000
11 11
20 20
108 -68
190 -150
223 -183
229 -177
278 -132
327 -83
501 -179
590 -346
641 -257
648 -397
671 -404
751 -461
792 -420
864 -492
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1013 -415
1029 -431
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1226 -364
1237 -353
1331 -447
1374 -490
1389 -475
1410 -372
1476 -496
1552 -506
1559 -499
1635 -57...

output:

NO

result:

ok single line: 'NO'

Test #187:

score: 0
Accepted
time: 123ms
memory: 9060kb

input:

300000
143 143
160 49
233 87
310 164
372 160
378 102
423 108
433 63
463 73
550 16
568 -2
600 103
676 42
754 -36
827 -34
910 -109
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999 -209
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1074 -134
1089 -138
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1200 -120
1284 -204
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1460 -148
1482 -238
1520 -276
1582 -214
1641 -273
1724 -356
1793 ...

output:

NO

result:

ok single line: 'NO'

Test #188:

score: 0
Accepted
time: 116ms
memory: 9844kb

input:

300000
17 -17
100 -24
159 21
185 61
280 -34
305 35
307 -11
346 28
386 68
450 4
511 -57
523 -45
534 -56
610 20
705 -9
716 126
718 124
740 102
792 50
824 115
876 30
921 -15
933 -3
962 26
1051 -63
1058 82
1073 -70
1076 -85
1167 -88
1252 -264
1297 -179
1366 -378
1405 -309
1410 -412
1481 -483
1516 -417
1...

output:

NO

result:

ok single line: 'NO'

Test #189:

score: 0
Accepted
time: 129ms
memory: 9972kb

input:

300000
35 -35
194 -52
246 -104
273 -77
293 -123
363 -167
399 -97
407 -131
464 -82
538 -8
622 -139
711 165
749 127
761 139
763 141
788 76
798 116
815 106
825 99
871 53
927 -3
998 89
1055 68
1092 162
1190 260
1267 183
1362 88
1402 48
1431 77
1478 124
1483 125
1500 112
1541 129
1619 71
1701 67
1799 -31...

output:

NO

result:

ok single line: 'NO'

Test #190:

score: 0
Accepted
time: 129ms
memory: 8660kb

input:

300000
54 54
149 -41
240 50
344 127
396 154
446 256
480 206
510 290
571 259
595 320
642 282
733 235
793 433
855 495
949 401
992 444
1054 382
1124 452
1272 304
1337 369
1429 373
1528 376
1540 388
1558 277
1581 429
1587 406
1640 423
1724 560
1776 612
1832 668
1850 476
1860 650
1863 657
1892 660
1958 6...

output:

NO

result:

ok single line: 'NO'

Subtask #7:

score: 20
Accepted

Dependency #4:

100%
Accepted

Dependency #6:

100%
Accepted

Test #191:

score: 20
Accepted
time: 182ms
memory: 9392kb

input:

300000
70 -70
123 -17
234 -115
312 -102
399 -93
476 -16
519 -59
534 -44
589 11
648 -180
727 31
817 -48
892 -59
973 16
1037 97
1058 161
1059 139
1124 140
1138 204
1236 218
1241 311
1309 316
1345 343
1373 371
1393 379
1472 272
1538 206
1616 351
1697 128
1719 47
1726 25
1781 -23
1861 32
1954 -196
1985 ...

output:

YES

result:

ok single line: 'YES'

Test #192:

score: 0
Accepted
time: 183ms
memory: 9332kb

input:

300000
36 -31
117 -26
157 -67
176 -107
241 -21
338 -86
422 -8
513 76
557 -55
617 -99
637 -115
685 -95
686 -48
744 -106
773 -135
835 -47
850 -73
936 -58
957 28
1013 63
1050 7
1135 -59
1148 -72
1247 -171
1313 -237
1395 26
1440 -319
1499 -215
1552 -274
1630 -268
1723 -346
1807 -253
1873 -403
1941 -337
...

output:

YES

result:

ok single line: 'YES'

Test #193:

score: 0
Accepted
time: 192ms
memory: 9392kb

input:

300000
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output:

YES

result:

ok single line: 'YES'

Test #194:

score: 0
Accepted
time: 184ms
memory: 9988kb

input:

300000
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output:

YES

result:

ok single line: 'YES'

Test #195:

score: 0
Accepted
time: 188ms
memory: 10112kb

input:

300000
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output:

YES

result:

ok single line: 'YES'

Test #196:

score: 0
Accepted
time: 186ms
memory: 9536kb

input:

300000
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output:

YES

result:

ok single line: 'YES'

Test #197:

score: 0
Accepted
time: 194ms
memory: 9000kb

input:

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output:

YES

result:

ok single line: 'YES'

Test #198:

score: 0
Accepted
time: 192ms
memory: 9412kb

input:

300000
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output:

YES

result:

ok single line: 'YES'

Test #199:

score: 0
Accepted
time: 177ms
memory: 10160kb

input:

300000
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output:

YES

result:

ok single line: 'YES'

Test #200:

score: 0
Accepted
time: 197ms
memory: 9364kb

input:

300000
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output:

YES

result:

ok single line: 'YES'

Test #201:

score: 0
Accepted
time: 198ms
memory: 8372kb

input:

300000
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output:

YES

result:

ok single line: 'YES'

Test #202:

score: 0
Accepted
time: 185ms
memory: 10176kb

input:

300000
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output:

YES

result:

ok single line: 'YES'

Test #203:

score: 0
Accepted
time: 199ms
memory: 10116kb

input:

300000
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output:

YES

result:

ok single line: 'YES'

Test #204:

score: 0
Accepted
time: 189ms
memory: 9956kb

input:

300000
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output:

YES

result:

ok single line: 'YES'

Test #205:

score: 0
Accepted
time: 191ms
memory: 8524kb

input:

300000
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output:

YES

result:

ok single line: 'YES'

Test #206:

score: 0
Accepted
time: 182ms
memory: 8356kb

input:

300000
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output:

YES

result:

ok single line: 'YES'

Test #207:

score: 0
Accepted
time: 191ms
memory: 9976kb

input:

300000
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output:

YES

result:

ok single line: 'YES'

Test #208:

score: 0
Accepted
time: 191ms
memory: 9564kb

input:

300000
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output:

YES

result:

ok single line: 'YES'

Test #209:

score: 0
Accepted
time: 195ms
memory: 9304kb

input:

300000
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output:

YES

result:

ok single line: 'YES'

Test #210:

score: 0
Accepted
time: 179ms
memory: 8228kb

input:

300000
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output:

YES

result:

ok single line: 'YES'

Test #211:

score: 0
Accepted
time: 114ms
memory: 8904kb

input:

300000
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output:

NO

result:

ok single line: 'NO'

Test #212:

score: 0
Accepted
time: 105ms
memory: 9120kb

input:

300000
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270 270
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output:

NO

result:

ok single line: 'NO'

Test #213:

score: 0
Accepted
time: 110ms
memory: 8700kb

input:

300000
33 33
61 61
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output:

NO

result:

ok single line: 'NO'

Test #214:

score: 0
Accepted
time: 121ms
memory: 8908kb

input:

300000
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output:

NO

result:

ok single line: 'NO'

Test #215:

score: 0
Accepted
time: 121ms
memory: 9220kb

input:

300000
52 52
170 -66
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output:

NO

result:

ok single line: 'NO'

Test #216:

score: 0
Accepted
time: 122ms
memory: 9752kb

input:

300000
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output:

NO

result:

ok single line: 'NO'

Test #217:

score: 0
Accepted
time: 111ms
memory: 8380kb

input:

300000
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151 151
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output:

NO

result:

ok single line: 'NO'

Test #218:

score: 0
Accepted
time: 108ms
memory: 10304kb

input:

300000
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output:

NO

result:

ok single line: 'NO'

Test #219:

score: 0
Accepted
time: 112ms
memory: 9108kb

input:

300000
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236 60
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output:

NO

result:

ok single line: 'NO'

Test #220:

score: 0
Accepted
time: 115ms
memory: 8876kb

input:

300000
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output:

NO

result:

ok single line: 'NO'

Test #221:

score: 0
Accepted
time: 115ms
memory: 9432kb

input:

300000
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output:

NO

result:

ok single line: 'NO'

Test #222:

score: 0
Accepted
time: 117ms
memory: 8676kb

input:

300000
45 45
218 62
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output:

NO

result:

ok single line: 'NO'

Test #223:

score: 0
Accepted
time: 105ms
memory: 9068kb

input:

300000
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output:

NO

result:

ok single line: 'NO'

Test #224:

score: 0
Accepted
time: 119ms
memory: 8324kb

input:

300000
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output:

NO

result:

ok single line: 'NO'

Test #225:

score: 0
Accepted
time: 109ms
memory: 8356kb

input:

300000
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output:

NO

result:

ok single line: 'NO'

Test #226:

score: 0
Accepted
time: 115ms
memory: 8540kb

input:

300000
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output:

NO

result:

ok single line: 'NO'

Test #227:

score: 0
Accepted
time: 116ms
memory: 8820kb

input:

300000
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output:

NO

result:

ok single line: 'NO'

Test #228:

score: 0
Accepted
time: 110ms
memory: 9612kb

input:

300000
66 1
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105 -55
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226 -68
303 -41
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output:

NO

result:

ok single line: 'NO'

Test #229:

score: 0
Accepted
time: 117ms
memory: 10312kb

input:

300000
40 40
74 15
89 6
163 95
188 120
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303 235
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1850 150...

output:

NO

result:

ok single line: 'NO'

Test #230:

score: 0
Accepted
time: 109ms
memory: 9656kb

input:

300000
104 80
130 -12
164 140
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441 123
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17...

output:

NO

result:

ok single line: 'NO'

Subtask #8:

score: 10
Accepted

Dependency #7:

100%
Accepted

Test #231:

score: 10
Accepted
time: 641ms
memory: 20176kb

input:

1000000
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1360...

output:

YES

result:

ok single line: 'YES'

Test #232:

score: 0
Accepted
time: 634ms
memory: 19440kb

input:

1000000
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1...

output:

YES

result:

ok single line: 'YES'

Test #233:

score: 0
Accepted
time: 620ms
memory: 21112kb

input:

1000000
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output:

YES

result:

ok single line: 'YES'

Test #234:

score: 0
Accepted
time: 636ms
memory: 20760kb

input:

1000000
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output:

YES

result:

ok single line: 'YES'

Test #235:

score: 0
Accepted
time: 626ms
memory: 19544kb

input:

1000000
38 -38
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1...

output:

YES

result:

ok single line: 'YES'

Test #236:

score: 0
Accepted
time: 636ms
memory: 19548kb

input:

1000000
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148 -106
212 -64
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176...

output:

YES

result:

ok single line: 'YES'

Test #237:

score: 0
Accepted
time: 647ms
memory: 19712kb

input:

1000000
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177 5
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339 -23
436 74
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18...

output:

YES

result:

ok single line: 'YES'

Test #238:

score: 0
Accepted
time: 655ms
memory: 20908kb

input:

1000000
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18...

output:

YES

result:

ok single line: 'YES'

Test #239:

score: 0
Accepted
time: 620ms
memory: 19856kb

input:

1000000
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15...

output:

YES

result:

ok single line: 'YES'

Test #240:

score: 0
Accepted
time: 638ms
memory: 20380kb

input:

1000000
152 58
153 -35
251 63
297 109
329 -36
342 77
399 33
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1733 3...

output:

YES

result:

ok single line: 'YES'

Test #241:

score: 0
Accepted
time: 384ms
memory: 20360kb

input:

1000000
109 -66
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1712 ...

output:

NO

result:

ok single line: 'NO'

Test #242:

score: 0
Accepted
time: 385ms
memory: 20012kb

input:

1000000
142 -142
168 -116
197 -210
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1835...

output:

NO

result:

ok single line: 'NO'

Test #243:

score: 0
Accepted
time: 413ms
memory: 20908kb

input:

1000000
110 -8
198 -96
248 51
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...

output:

NO

result:

ok single line: 'NO'

Test #244:

score: 0
Accepted
time: 392ms
memory: 19452kb

input:

1000000
55 9
58 58
145 -29
166 55
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255 0
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1515 -3...

output:

NO

result:

ok single line: 'NO'

Test #245:

score: 0
Accepted
time: 389ms
memory: 19208kb

input:

1000000
81 81
175 48
226 -13
269 -21
323 -64
390 -8
412 -75
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1369 -56
1439 71
1480 1
1573 ...

output:

NO

result:

ok single line: 'NO'

Test #246:

score: 0
Accepted
time: 378ms
memory: 21108kb

input:

1000000
4 4
55 -29
93 9
112 28
113 -38
159 29
227 75
243 143
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1252 198
1288 283
1300 234
1369 2...

output:

NO

result:

ok single line: 'NO'

Test #247:

score: 0
Accepted
time: 397ms
memory: 20316kb

input:

1000000
57 57
80 46
81 80
136 81
152 42
159 26
199 89
200 90
285 49
288 8
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1576 296
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1693 413
17...

output:

NO

result:

ok single line: 'NO'

Test #248:

score: 0
Accepted
time: 391ms
memory: 20476kb

input:

1000000
98 -80
147 -129
195 9
280 -81
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376 -122
441 -192
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1610 -308
1697 -147
1772 ...

output:

NO

result:

ok single line: 'NO'

Test #249:

score: 0
Accepted
time: 388ms
memory: 20136kb

input:

1000000
45 45
68 68
123 13
204 -68
299 14
313 27
327 27
329 25
416 13
479 -125
559 -45
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166...

output:

NO

result:

ok single line: 'NO'

Test #250:

score: 0
Accepted
time: 400ms
memory: 20808kb

input:

1000000
51 -51
129 -103
224 -129
267 -77
275 -85
338 -22
350 -34
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414 12
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15...

output:

NO

result:

ok single line: 'NO'