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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#84751#5657. Hungry CowPdw20079.090909 461ms50552kbC++144.0kb2023-03-06 18:19:122023-03-06 18:19:15

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2023-03-06 18:19:15]
  • 评测
  • 测评结果:9.090909
  • 用时:461ms
  • 内存:50552kb
  • [2023-03-06 18:19:12]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define ls k<<1
#define rs k<<1|1
#define lson ls,l,mid
#define rson rs,mid+1,r
const int N=1e5+5,mod=1e9+7;
const ll inf=1e17,inv2=5e8+4;
int n,ans;
vector<pair<ll,int> > v[N<<2];
map<ll,pair<int,int> > mp;
map<ll,pair<int,int> >::iterator koishi;
void updt(int k,int l,int r,int pl,int pr,ll pos,int val) {
    if(!val) return;
    if(pl<=l&&r<=pr) {
        v[k].push_back(make_pair(pos,val));
        return;
    }
    int mid=(l+r)>>1;
    if(mid>=pl) updt(lson,pl,pr,pos,val);
    if(mid<pr) updt(rson,pl,pr,pos,val);
    return;
}
int top;
vector<pair<ll,ll> > stadd[N],stdel[N];
int lstans[N];
set<pair<ll,ll> > st;
set<pair<ll,ll> >::iterator it;

int calc(ll x,ll y) {
    x%=mod,y%=mod;
    return 1ll*(x+y)*(y-x+1)%mod*inv2%mod;
}
void add(ll pos,int val) {
    top++;
    stadd[top].clear();
    stdel[top].clear();
    while(true) {
        if(!val) break;
        it=st.lower_bound(make_pair(pos,0));
        if(it==st.end()) {
            st.insert(make_pair(pos+val-1,pos));
            stadd[top].push_back(make_pair(pos+val-1,pos));

            ans+=calc(pos,pos+val-1);
            if(ans>=mod) ans-=mod;
            break;
        }
        ll r=(*it).first,l=(*it).second;
        if(l>pos) {
            ll t=min(l-pos,val*1ll);
            if(t==l-pos) {
                val-=t;
                st.erase(make_pair(r,l));
                stdel[top].push_back(make_pair(r,l));
                ans-=calc(l,r);
                if(ans<0) ans+=mod;

                st.insert(make_pair(r,pos));
                stadd[top].push_back(make_pair(r,pos));

                ans+=calc(pos,r);
                if(ans>=mod) ans-=mod;
                pos=r;
                continue;
            }
            st.insert(make_pair(pos+val-1,pos));
            stadd[top].push_back(make_pair(pos+val-1,pos));

            ans+=calc(pos,pos+val-1);
            if(ans>=mod) ans-=mod;
            break;
        }
        it++;
        ll l2=inf,r2=inf;
        if(it!=st.end()) l2=(*it).second,r2=(*it).first;

        st.erase(make_pair(r,l));
        stdel[top].push_back(make_pair(r,l));

        ans-=calc(l,r);
        if(ans<0) ans+=mod;

        ll t=min(l2-r-1,val*1ll);
        if(t==l2-r-1) {
            val-=t;
            st.erase(make_pair(r2,l2));
            stdel[top].push_back(make_pair(r2,l2));
            ans-=calc(l2,r2);
            if(ans<0) ans+=mod;

            st.insert(make_pair(r2,l));
            stadd[top].push_back(make_pair(r2,l));

            ans+=calc(l,r2);
            if(ans>=mod) ans-=mod;
            pos=r2;
            continue;
        }
        st.insert(make_pair(r+val,l));
        stadd[top].push_back(make_pair(r+val,l));

        ans+=calc(l,r+val);
        if(ans>=mod) ans-=mod;
        break;
    }
    lstans[top]=ans;
    return;
}
void del(int koishi) {
    while(top>koishi) {
        for(int i=0;i<stdel[top].size();i++) {
            st.insert(make_pair(stdel[top][i].first,stdel[top][i].second));
        }
        for(int i=0;i<stadd[top].size();i++) {
            st.erase(make_pair(stadd[top][i].first,stadd[top][i].second));
        }
        top--;
        ans=lstans[top];
    }
    return;
}
void qury(int k,int l,int r) {
    int _=top;
    for(int i=0;i<v[k].size();i++) add(v[k][i].first,v[k][i].second);
    if(l==r) {
        printf("%d\n",ans);
        del(_);
        return;
    }
    int mid=(l+r)>>1;
    qury(lson);
    qury(rson);
    del(_);
    return;
}
int main() {
    scanf("%d",&n);
    for(int i=1;i<=n;i++) {
        ll x;
        int y;
        scanf("%lld%d",&x,&y);
        if(mp.count(x)!=0) updt(1,1,n,mp[x].first,i-1,x,mp[x].second);
        mp[x]=make_pair(i,y);
    }
    for(koishi=mp.begin();koishi!=mp.end();koishi++) {
        int x=(*koishi).second.first,y=(*koishi).second.second;
        updt(1,1,n,x,n,(*koishi).first,y);
    }
    qury(1,1,n);
    return 0;
}

详细

Test #1:

score: 4.54545
Accepted
time: 0ms
memory: 17660kb

input:

3
4 3
1 5
1 2

output:

15
36
18

result:

ok 3 number(s): "15 36 18"

Test #2:

score: 4.54545
Accepted
time: 7ms
memory: 17636kb

input:

9
1 89
30 7
101 26
1 24
5 1
60 4
5 10
101 0
1 200

output:

4005
4656
7607
3482
3507
3753
4058
1107
24531

result:

ok 9 numbers

Test #3:

score: 0
Wrong Answer
time: 255ms
memory: 38328kb

input:

5000
1 255364995
414918035 212844
1 112266691
321122438 191414
1 277615842
848755093 61676
1 432591689
892259443 53755
1 263753018
173404455 173565
1 178341924
878941367 221276
1 65332960
439468128 240741
1 812238377
191076090 108732
1 180383041
927440330 112995
1 595696140
579818784 85614
1 5057816...

output:

235118030
699918971
430865692
80346613
848027326
568710394
340195238
190991083
826211664
180951671
569935857
679922008
650993948
624850177
428416731
646484944
727440627
230673871
429374754
412788182
52678570
76241310
668853821
636690710
209140532
869111458
915919167
837020724
313374684
328391122
903...

result:

wrong answer 2501st numbers differ - expected: '948499983', found: '-51500024'

Test #4:

score: 0
Wrong Answer
time: 315ms
memory: 50552kb

input:

100000
1 500000000
1000000001 500000000
2000000001 500000000
3000000001 500000000
4000000001 500000000
5000000001 500000000
6000000001 500000000
7000000001 500000000
8000000001 500000000
9000000001 500000000
10000000001 500000000
11000000001 500000000
12000000001 500000000
13000000001 500000000
1400...

output:

375000007
250000035
-374999916
-499999839
-1124999741
-1249999615
-1874999468
-1999999293
669968192
544968416
-80031339
-205031066
-830030772
-955030450
-1580030107
-1705029736
964937945
839938365
214938806
89939275
-535060235
-660059717
-1285059178
-1410058611
-2035058023
1134909882
509910519
38491...

result:

wrong answer 3rd numbers differ - expected: '625000091', found: '-374999916'

Test #5:

score: 0
Wrong Answer
time: 397ms
memory: 50024kb

input:

100000
49998999950002 500000000
49997999950003 500000000
49996999950004 500000000
49995999950005 500000000
49994999950006 500000000
49993999950007 500000000
49992999950008 500000000
49991999950009 500000000
49990999950010 500000000
49989999950011 500000000
49988999950012 500000000
49987999950013 500...

output:

-623600028
-1247200084
-1870800168
800567009
176966869
-446633299
-1070233495
-1693833719
977533318
353933038
-269667270
-893267606
-1516867970
-2140468362
530898507
-92701941
-716302417
-1339902921
-1963503453
707863276
84262688
-539337928
-1162938572
-1786539244
884827345
261226617
-362374139
-985...

result:

wrong answer 1st numbers differ - expected: '376399979', found: '-623600028'

Test #6:

score: 0
Wrong Answer
time: 461ms
memory: 48280kb

input:

100000
92303348842417 121458
92270522994821 852054850
93765096269940 752161890
97779083359973 984327853
90030769679569 439157849
99462493683485 45660
95578441605501 614317411
92236129196525 474149928
96065411631989 429943696
90394247621798 382840249
89263934750729 791122796
93577089467158 99679481
9...

output:

601385635
274004134
601850367
341926487
-474377322
365740738
21596345
-1140519131
-419829850
-85072718
-338283872
-90223908
-931015981
-14700446
62059976
-566762494
-977806315
-820785625
-1535566309
411107520
364298826
815707025
142534919
273592113
165836598
196695760
672590815
766944052
-53749459
6...

result:

wrong answer 5th numbers differ - expected: '525622685', found: '-474377322'

Test #7:

score: 0
Wrong Answer
time: 399ms
memory: 47944kb

input:

100000
98001410246890 641673458
94816407430628 495030536
95979591652947 43208
95979591652947 183686
97163521776290 904784415
91640049592559 875129980
95914835187460 844802426
94846379383324 974270031
99639652388956 311664277
99298294827771 913614463
99476866913169 221766107
97248342663994 669489020
...

output:

-194591739
531436018
575810846
354089953
-118717916
197012156
-457007199
-669962300
67690876
-633190964
-1394576200
-1695645999
938622567
994214121
883088769
637792732
72736455
167381158
300994871
217234511
-587404040
387031489
234449671
473958880
549943224
365775057
628607217
299614217
207672621
86...

result:

wrong answer 1st numbers differ - expected: '805408268', found: '-194591739'

Test #8:

score: 0
Wrong Answer
time: 366ms
memory: 47592kb

input:

100000
97338601145206 191999210
97657969728741 875988993
92559675348135 8552565
99354409480201 960853995
93648768326445 343671323
97400841247229 104463842
98844341051398 508718383
96144328794112 187050711
98030257583732 365513
92378049740181 852725611
98301676983212 360931360
99458914124366 80234576...

output:

201835835
176681780
819965610
401968614
20890476
624221975
244624530
-360878011
-177883159
14404016
-5966895
-539127410
65150286
-671668340
-159078858
115160143
-636536358
-667844976
-1214674111
-283015272
408770118
205347955
98965262
-377534939
-289906555
22710273
62684742
300950961
746815491
37784...

result:

wrong answer 8th numbers differ - expected: '639121996', found: '-360878011'

Test #9:

score: 0
Wrong Answer
time: 336ms
memory: 47184kb

input:

100000
96119987448606 658315028
98644701118435 280992389
98180676447908 56168
99822794299596 237183170
94655838918825 563695131
95744558879343 686204820
93739311062176 263266841
97630990881452 96901680
98683433984282 380708175
98141920320037 147598812
98095513966598 814629225
97882900659205 55097258...

output:

-715711049
-642248912
58956281
-88278544
-414984488
-586830252
89222244
-67834583
340803186
-451560098
-968584985
-1322918284
-671126635
-820434176
-419747423
559784456
47716886
185178829
-686039237
632404446
-182159182
722506287
755937762
554122304
371267484
84515007
906979550
609105644
706788066
1...

result:

wrong answer 1st numbers differ - expected: '284288958', found: '-715711049'

Test #10:

score: 0
Wrong Answer
time: 365ms
memory: 47096kb

input:

100000
98169641631056 170946511
99452522210742 393032132
98797460964704 393706377
98747209012224 529219651
99152468691953 362194103
99410753036475 215295
97096873124809 1315725
96106202009957 124516158
95176405230280 853965254
99359463136784 622839995
96635771520630 550456203
96368792029394 93630831...

output:

692991104
373664255
485258530
240812376
150262690
495543044
930860978
914610240
46074322
-36054233
-451683000
-1052403143
-420800261
42702946
-775479257
-589984207
-1464586707
-1157152623
-294110360
-339302340
310757164
211383179
211616198
608018966
63331840
943411679
25124419
-251400358
149687352
-...

result:

wrong answer 10th numbers differ - expected: '963945774', found: '-36054233'

Test #11:

score: 0
Time Limit Exceeded

input:

100000
97499080763005 475255826
97499083333242 9347
97499080763005 395470349
97499924236501 4654
97499080763005 148122052
97499213182916 2365
97499080763005 544025506
97499777050346 9912
97499080763005 41736833
97499401163067 12607
97499080763005 127843558
97499125181305 7144
97499080763005 13152858...

output:

655956691
428350171
548564542
779715219
957292615
681253780
867332278
274556258
395033249
333056245
701438428
203273870
489695476
706378273
144580619
397623726
228895978
520643679
706764212
488871564
217475631
415165457
434314301
827566002
-743970162
-871701509
8136098
471027033
112802895
977816195
...

result:


Test #12:

score: 0
Time Limit Exceeded

input:

100000
98999026537234 929244389
98999182418499 5182
98999026537234 774643967
98999646433835 17857
98999026537234 760743518
98999980664456 7597
98999026537234 573421161
98999090975969 6621
98999026537234 95191521
98999947586610 17798
98999026537234 953104244
98999116462517 15643
98999026537234 100617...

output:

526240962
808910950
692662359
262454820
824971927
696977629
511671627
304096025
488742915
459595813
852048508
407821555
986580341
935810355
447338247
404215525
304626541
322321947
109610273
135672419
575250508
895903646
120155775
689920977
344461186
328119759
176168052
810451653
44880448
275429359
8...

result:


Test #13:

score: 0
Time Limit Exceeded

input:

100000
99499024212061 630391525
99499061152079 3864
99499024212061 16505706
99499878275777 4812
99499024212061 776185964
99499757280269 12059
99499024212061 356565635
99499399237611 8902
99499024212061 972528120
99499256994518 9171
99499024212061 419476867
99499909552451 17146
99499024212061 6767939...

output:

358833000
63285979
813032842
736093155
525127433
245134000
66495264
919121222
462185849
492634514
674820800
65951665
846808145
101614325
851611097
714978008
763173865
749817090
98969566
753942239
795699176
747343173
205025620
285496160
869383022
627352226
630521000
689283960
597006790
625528637
3140...

result:


Test #14:

score: 0
Time Limit Exceeded

input:

99999
10490328589436 1000000000
13762508396295 1000000000
40632115714511 1000000000
32834989282081 1000000000
29091918306598 1000000000
24352818172350 1000000000
23447797352860 1000000000
38073075086135 1000000000
14288530509239 1000000000
36463049009868 1000000000
10562334120356 1000000000
34490016...

output:

-299612000
-857711678
-1665722259
705879399
279158742
-446854397
-1027175451
-1550912791
1031189986
689907625
351582713
236626445
-326182004
-571287221
-1507876691
-2135170235
881441975
-17125574
-368550161
-677918647
-1170225089
-1741746623
-2028619388
925607088
-61834192
-621992881
-993506695
-174...

result:


Test #15:

score: 0
Time Limit Exceeded

input:

99999
61585049539216 1000000000
58981995705940 1000000000
44247484521936 1000000000
70916218483207 1000000000
47696673638497 1000000000
60781033156530 1000000000
55859922511212 1000000000
59143999312357 1000000000
57175954090596 1000000000
71328224891428 1000000000
46047599292678 1000000000
47510666...

output:

-343756819
-1310808260
-1700293660
1068766099
355633780
126516367
-328324956
-1320613378
-1996445905
727776495
534984108
-127540731
-666182765
-1098236789
-1567154008
843444907
592289869
-326924951
-594317104
-996906697
-1346680513
-1856787419
-1875133777
-1944782099
-2142005161
17696788
-561866819
...

result:


Test #16:

score: 0
Time Limit Exceeded

input:

99999
21219982576425 1000000000
42260400232639 1000000000
26412110792985 1000000000
11035481121988 1000000000
13219690258669 1000000000
19550933913223 1000000000
32679237390903 1000000000
15679803374289 1000000000
23896051833122 1000000000
20099950455987 1000000000
14778766729432 1000000000
21547991...

output:

-876995174
-1676552865
844157745
476844593
-354318303
-890752844
-1550887859
1121227741
759566819
107359831
-259022008
-1198712129
-2109479778
922197791
57389981
-520593202
-752041405
-1062013160
-1266663433
-2142026902
373360392
12417136
-952859257
-1630276782
-2050244050
682320648
-294852970
-8524...

result:


Test #17:

score: 0
Time Limit Exceeded

input:

99999
28503598869279 1000000000
32397709666940 1000000000
25833502058723 1000000000
38020841213328 1000000000
54560138759501 1000000000
42230929758874 1000000000
28972613620824 1000000000
28498598787317 1000000000
54070131397843 1000000000
22084267818956 1000000000
37776835952805 1000000000
44465973...

output:

-190688250
-1156769321
-1669914516
738422520
-230220519
-736463297
-1030389381
-1220504142
-2137639585
283677163
-566141385
-1375944798
-2145622157
564459229
-307530964
-521812814
-1077007653
-1541519603
1045353432
247243912
219940623
-423851182
-1147351104
-1383500898
-1897653820
916833961
56708199...

result:


Test #18:

score: 0
Time Limit Exceeded

input:

99999
18175781548542 1000000000
40883228277118 1000000000
33828113807745 1000000000
17817771477758 1000000000
22749897023579 1000000000
18015777423352 1000000000
28920025506062 1000000000
18799798298070 1000000000
27979006765970 1000000000
17103749421004 1000000000
24329932307643 1000000000
29798042...

output:

-469949156
-1065885680
-1860882295
1034613784
756563502
315482836
138357510
-448807766
-494798557
-739907475
-1264868785
-1557670952
-1783123697
541583014
412491313
-236543452
-1020431263
-1057986409
-1455876780
-1762809253
-1928779088
800457835
408290234
-445737163
-500342123
-851661784
-1791329032...

result:


Test #19:

score: 0
Time Limit Exceeded

input:

99999
13631696063382 1000000000
19095823575649 1000000000
18048800926387 1000000000
17060779354093 1000000000
15768748767399 1000000000
30886037572930 1000000000
26814970558482 1000000000
8165534157289 1000000000
27914989206121 1000000000
34170089895536 1000000000
27764986366439 1000000000
145187181...

output:

-871775699
-1635869524
1053497471
598854823
358255725
96758657
-695836761
-1434537650
937354648
309760254
-593444313
-619599776
-1108657443
-2107991399
953433702
-38161041
-1018595859
-1775225149
634581245
252637665
224089050
-700827179
-1079830272
-1161738920
-2096467916
644466881
-67042756
-973709...

result:


Test #20:

score: 0
Time Limit Exceeded

input:

99999
71091006018203 1000000000
42267334298998 1000000000
53421686894439 1000000000
52992676205010 1000000000
49055576058012 1000000000
70721000416119 1000000000
43151374327143 1000000000
70716000332404 1000000000
51528640431406 1000000000
65945925001029 1000000000
39524135856472 1000000000
66414932...

output:

-38643934
-376665795
-1182309183
-1913147589
-1943149922
352369884
-265805676
-1264667399
-1745162313
1078029148
128970548
-395929029
-1039864054
-1323362022
-1907080989
888308331
704747754
126862715
-817423508
-1370856539
-2041657599
586453193
-373681278
-992697381
-1841074147
964808254
557909218
4...

result:


Test #21:

score: 0
Time Limit Exceeded

input:

99999
43981987091230 1000000000
41793950053258 1000000000
23385527966154 1000000000
32049759202175 1000000000
48927065970165 1000000000
26694629471843 1000000000
27661655640242 1000000000
37241867113918 1000000000
49110069037684 1000000000
20323405372655 1000000000
43304975621086 1000000000
48021052...

output:

-907483471
-1555808350
1044541775
731697014
272303310
-132691529
-720817778
-788790325
-1269647695
-2106260411
361481242
-3086703
-436473242
-827573599
-1046388235
-1731824410
-1893109177
707335117
690068798
-222031110
-1091029294
-1192319628
-1796153803
810126708
153646875
-550134066
-1085398404
-1...

result:


Test #22:

score: 0
Time Limit Exceeded

input:

99999
31159466866911 1000000000
28413414847308 1000000000
25948364344910 1000000000
31236468095715 1000000000
22036273821032 1000000000
24056321657736 1000000000
36031551606814 1000000000
37935581367999 1000000000
40624624246259 1000000000
18857191994835 1000000000
22179277697755 1000000000
29154428...

output:

-266541537
-1169080414
-1718223290
-1993362682
385937182
135511816
-723970314
-791687436
-1159420617
-1502460434
849709376
848325851
501152468
154497957
129716488
-121414640
-1012948545
-1149103120
-1954177259
690227546
567774492
-226172957
-593200399
-953544667
-1050150840
-1948946223
965629172
282...

result: