QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#770847#8775. MountainCraftocharin#AC ✓563ms1891168kbC++202.7kb2024-11-22 00:48:082024-11-22 00:48:09

Judging History

你现在查看的是最新测评结果

  • [2024-11-22 00:48:09]
  • 评测
  • 测评结果:AC
  • 用时:563ms
  • 内存:1891168kb
  • [2024-11-22 00:48:08]
  • 提交

answer

/*

                                _/                                      _/
       _/_/        _/_/_/      _/_/_/        _/_/_/      _/  _/_/               _/_/_/
    _/    _/    _/            _/    _/    _/    _/      _/_/          _/       _/    _/
   _/    _/    _/            _/    _/    _/    _/      _/            _/       _/    _/
    _/_/        _/_/_/      _/    _/      _/_/_/      _/            _/       _/    _/

*/
#include<bits/stdc++.h>
#define int long long

using namespace std;
const long double s2=sqrtl(2);
const int N=1e6+8;
int cnt=1;
struct tree{
    int l,r,mi,sum,tag;
    tree():l(0),r(0),mi(0),sum(0),tag(0){};
};
vector<tree>s(N*48);
struct SegmentTree{
    void pushtag(int &u,int cl,int cr,int k){
        if(!u){
            u=++cnt;
            s[u].sum=cr-cl+1;
        }
        s[u].mi+=k;
        s[u].tag+=k;
    }
    void pushdown(int u,int cl,int cr){
        int mid=cl+cr>>1;
        pushtag(s[u].l,cl,mid,s[u].tag);
        pushtag(s[u].r,mid+1,cr,s[u].tag);
        s[u].tag=0;
    }
    void pushup(int u,int cl,int cr){
        s[u].mi=min(s[s[u].l].mi,s[s[u].r].mi);
        s[u].sum=0;
        int mid=cl+cr>>1;
        if(s[u].l){
            if(s[s[u].l].mi==s[u].mi) s[u].sum+=s[s[u].l].sum;
        }
        else s[u].sum+=mid-cl+1;
        if(s[u].r){
            if(s[s[u].r].mi==s[u].mi) s[u].sum+=s[s[u].r].sum;
        }
        else s[u].sum+=cr-mid;
    }
    int modify(int u,int cl,int cr,int l,int r,int k){
        if(!u) u=++cnt,s[u].sum=cr-cl+1;
        if(l<=cl && cr<=r){
            pushtag(u,cl,cr,k);
            return u;
        }
        pushdown(u,cl,cr);
        int mid=cl+cr>>1;
        if(l<=mid) s[u].l=modify(s[u].l,cl,mid,l,r,k);
        if(mid<r) s[u].r=modify(s[u].r,mid+1,cr,l,r,k);
        pushup(u,cl,cr);
        return u;
    }
    int query(int u,int cl,int cr){
        if(s[1].mi==0) return cr-cl+1-s[1].sum;
        else return cr-cl+1;
    }
}seg;

void dfs(int u,int cl,int cr){
    if(!u) return;
    cerr<<u<<" "<<cl<<" "<<cr<<" : "<<s[u].mi<<" "<<s[u].sum<<endl;
    int mid=cl+cr>>1;
    dfs(s[u].l,cl,mid);
    dfs(s[u].r,mid+1,cr);
}

signed main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    int n,q;
    cin>>n>>q;
    map<array<int,2>,int>mp;
    for(int i=0;i<n;++i){
        int x,y;
        cin>>x>>y;
        if(mp[{x,y}]){
            mp[{x,y}]=0;
            seg.modify(1,1,q,max(1ll,x-y+1),min(q,x+y),-1);
        }
        else{
            mp[{x,y}]=1;
            seg.modify(1,1,q,max(1ll,x-y+1),min(q,x+y),1);
        }
        // dfs(1,1,q);
        // cerr<<endl;
        cout<<fixed<<setprecision(15)<<seg.query(1,1,q)*s2<<"\n";
    }
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 135ms
memory: 1877976kb

input:

3 10
3 2
7 3
9 6

output:

5.656854249492380
12.727922061357855
12.727922061357855

result:

ok 3 numbers

Test #2:

score: 0
Accepted
time: 84ms
memory: 1877928kb

input:

5 100
31 41
59 26
31 41
59 26
31 41

output:

101.823376490862844
120.208152801713079
73.539105243400943
0.000000000000000
101.823376490862844

result:

ok 5 numbers

Test #3:

score: 0
Accepted
time: 92ms
memory: 1877992kb

input:

100 10
6 4
2 3
7 6
5 5
3 6
7 5
5 8
10 4
9 8
0 9
9 10
9 3
2 3
10 10
8 4
10 9
0 1
1 7
0 2
3 4
10 3
3 10
7 4
7 5
1 4
0 7
1 9
5 6
8 8
7 4
8 1
3 9
2 1
5 5
2 1
10 9
8 4
0 9
10 7
4 1
9 10
8 6
5 4
1 4
0 9
9 3
4 8
5 10
7 2
8 10
7 10
3 4
2 2
8 5
0 9
5 3
1 4
6 4
0 3
8 1
1 6
3 8
8 4
6 5
10 2
2 2
8 4
6 1
2 4
6 4...

output:

11.313708498984760
14.142135623730950
14.142135623730950
14.142135623730950
14.142135623730950
14.142135623730950
14.142135623730950
14.142135623730950
14.142135623730950
14.142135623730950
14.142135623730950
14.142135623730950
14.142135623730950
14.142135623730950
14.142135623730950
14.142135623730...

result:

ok 100 numbers

Test #4:

score: 0
Accepted
time: 103ms
memory: 1878640kb

input:

1000 100
95 8
54 8
64 96
47 34
77 47
99 91
45 70
8 6
64 84
48 42
53 14
73 66
38 27
6 52
19 75
33 39
6 24
37 80
27 45
96 48
55 95
67 1
23 78
40 4
76 7
77 22
4 47
41 31
60 54
96 37
79 52
63 40
7 92
17 7
74 12
93 16
87 5
67 43
60 29
71 58
52 41
53 84
38 2
46 87
13 54
54 14
16 93
57 7
91 98
31 23
70 3
9...

output:

18.384776310850236
41.012193308819756
141.421356237309505
141.421356237309505
141.421356237309505
141.421356237309505
141.421356237309505
141.421356237309505
141.421356237309505
141.421356237309505
141.421356237309505
141.421356237309505
141.421356237309505
141.421356237309505
141.421356237309505
14...

result:

ok 1000 numbers

Test #5:

score: 0
Accepted
time: 96ms
memory: 1878556kb

input:

1000 1000
942 407
513 739
329 437
605 318
847 416
128 543
588 237
903 365
703 556
313 928
621 344
974 444
780 265
993 889
103 427
94 977
897 586
566 326
785 938
224 952
150 441
716 802
729 584
954 347
640 4
91 633
738 970
823 253
158 890
115 734
327 391
554 258
373 67
396 995
788 73
609 703
627 801
...

output:

657.609306503489198
1414.213562373095049
1414.213562373095049
1414.213562373095049
1414.213562373095049
1414.213562373095049
1414.213562373095049
1414.213562373095049
1414.213562373095049
1414.213562373095049
1414.213562373095049
1414.213562373095049
1414.213562373095049
1414.213562373095049
1414.21...

result:

ok 1000 numbers

Test #6:

score: 0
Accepted
time: 176ms
memory: 1877816kb

input:

200000 10
6 4
4 9
7 9
6 2
0 7
6 7
4 8
10 5
7 8
5 4
3 6
5 9
0 9
7 3
8 2
8 6
5 9
5 10
4 9
0 3
10 5
3 9
7 2
2 3
9 7
5 6
1 7
0 4
9 6
4 7
3 8
6 4
2 7
0 6
8 3
6 2
8 10
1 6
0 4
6 1
3 3
5 8
9 7
8 7
1 10
6 2
1 8
8 6
6 1
6 3
0 6
6 1
5 6
1 1
6 4
7 9
3 5
10 6
2 8
6 7
7 3
6 8
8 5
9 7
4 5
6 4
5 10
8 6
8 5
4 6
4 6...

output:

11.313708498984760
14.142135623730950
14.142135623730950
14.142135623730950
14.142135623730950
14.142135623730950
14.142135623730950
14.142135623730950
14.142135623730950
14.142135623730950
14.142135623730950
14.142135623730950
14.142135623730950
14.142135623730950
14.142135623730950
14.142135623730...

result:

ok 200000 numbers

Test #7:

score: 0
Accepted
time: 264ms
memory: 1879128kb

input:

200000 100
96 9
26 82
73 33
12 92
13 77
87 2
23 79
41 91
75 28
6 45
42 81
27 51
7 64
80 90
27 65
77 72
54 60
79 8
10 61
46 15
65 16
75 95
65 4
89 38
42 74
96 63
48 87
39 78
2 59
36 48
36 66
12 75
44 45
80 86
79 99
26 30
29 54
39 44
7 27
99 23
41 76
23 71
76 51
90 76
59 22
45 70
73 98
24 94
70 54
76 ...

output:

18.384776310850236
141.421356237309505
141.421356237309505
141.421356237309505
141.421356237309505
141.421356237309505
141.421356237309505
141.421356237309505
141.421356237309505
141.421356237309505
141.421356237309505
141.421356237309505
141.421356237309505
141.421356237309505
141.421356237309505
1...

result:

ok 200000 numbers

Test #8:

score: 0
Accepted
time: 324ms
memory: 1890968kb

input:

200000 10000
8596 2507
1107 4452
8591 3460
3584 2911
8817 9663
1604 2760
6281 8431
5271 4811
2193 1874
5329 3970
2679 8672
8426 8447
117 4849
3471 6286
177 4806
9726 7217
6743 3882
573 4295
5291 7358
1356 6269
7882 8426
8750 985
5365 8276
7420 6372
8234 6329
7723 9014
3369 1097
7140 8329
3475 447
37...

output:

5530.989242441174736
13392.602435673210111
14142.135623730950488
14142.135623730950488
14142.135623730950488
14142.135623730950488
14142.135623730950488
14142.135623730950488
14142.135623730950488
14142.135623730950488
14142.135623730950488
14142.135623730950488
14142.135623730950488
14142.135623730...

result:

ok 200000 numbers

Test #9:

score: 0
Accepted
time: 563ms
memory: 1890952kb

input:

200000 1000000000
979065421 937279323
384811311 879649222
673927841 883688174
47686221 518846247
805783947 475892423
94359891 104324315
116498230 496486640
155617000 261326127
423462080 949904263
758478482 824824842
594993542 173897699
495194886 158960628
409812195 339201236
958417812 891558399
7055...

output:

1355119095.862843786482699
1414213562.373095048707910
1414213562.373095048707910
1414213562.373095048707910
1414213562.373095048707910
1414213562.373095048707910
1414213562.373095048707910
1414213562.373095048707910
1414213562.373095048707910
1414213562.373095048707910
1414213562.373095048707910
141...

result:

ok 200000 numbers

Test #10:

score: 0
Accepted
time: 64ms
memory: 1878068kb

input:

3 100
82 61
46 1
82 61

output:

111.722871427474509
111.722871427474509
2.828427124746190

result:

ok 3 numbers

Test #11:

score: 0
Accepted
time: 359ms
memory: 1891168kb

input:

200000 200005
199999 1
199998 2
199997 3
199996 4
199995 5
199994 6
199993 7
199992 8
199991 9
199990 10
199989 11
199988 12
199987 13
199986 14
199985 15
199984 16
199983 17
199982 18
199981 19
199980 20
199979 21
199978 22
199977 23
199976 24
199975 25
199974 26
199973 27
199972 28
199971 29
19997...

output:

2.828427124746190
5.656854249492380
8.485281374238570
11.313708498984760
14.142135623730950
16.970562748477141
19.798989873223331
22.627416997969521
25.455844122715711
28.284271247461901
31.112698372208091
33.941125496954281
36.769552621700471
39.597979746446661
42.426406871192851
45.254833995939042...

result:

ok 200000 numbers

Test #12:

score: 0
Accepted
time: 359ms
memory: 1890920kb

input:

200000 200005
0 200000
1 199999
2 199998
3 199997
4 199996
5 199995
6 199994
7 199993
8 199992
9 199991
10 199990
11 199989
12 199988
13 199987
14 199986
15 199985
16 199984
17 199983
18 199982
19 199981
20 199980
21 199979
22 199978
23 199977
24 199976
25 199975
26 199974
27 199973
28 199972
29 199...

output:

282842.712474619009754
282842.712474619009754
282842.712474619009754
282842.712474619009754
282842.712474619009754
282842.712474619009754
282842.712474619009754
282842.712474619009754
282842.712474619009754
282842.712474619009754
282842.712474619009754
282842.712474619009754
282842.712474619009754
2...

result:

ok 200000 numbers

Test #13:

score: 0
Accepted
time: 425ms
memory: 1890900kb

input:

200000 200005
188054 11946
25503 174497
5164 194836
199742 258
65650 134350
93448 106552
165510 34490
33001 166999
54081 145919
123066 76934
50244 149756
46561 153439
66523 133477
8593 191407
173633 26367
105494 94506
198495 1505
75564 124436
83182 116818
123337 76663
186899 13101
110487 89513
10858...

output:

33788.390432217986906
282842.712474619009754
282842.712474619009754
282842.712474619009754
282842.712474619009754
282842.712474619009754
282842.712474619009754
282842.712474619009754
282842.712474619009754
282842.712474619009754
282842.712474619009754
282842.712474619009754
282842.712474619009754
28...

result:

ok 200000 numbers

Test #14:

score: 0
Accepted
time: 304ms
memory: 1890956kb

input:

200000 200005
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
9 9
10 10
11 11
12 12
13 13
14 14
15 15
16 16
17 17
18 18
19 19
20 20
21 21
22 22
23 23
24 24
25 25
26 26
27 27
28 28
29 29
30 30
31 31
32 32
33 33
34 34
35 35
36 36
37 37
38 38
39 39
40 40
41 41
42 42
43 43
44 44
45 45
46 46
47 47
48 48
49 49
50 50
51 5...

output:

2.828427124746190
5.656854249492380
8.485281374238570
11.313708498984760
14.142135623730950
16.970562748477141
19.798989873223331
22.627416997969521
25.455844122715711
28.284271247461901
31.112698372208091
33.941125496954281
36.769552621700471
39.597979746446661
42.426406871192851
45.254833995939042...

result:

ok 200000 numbers

Test #15:

score: 0
Accepted
time: 301ms
memory: 1890980kb

input:

200000 200005
200000 200000
199999 199999
199998 199998
199997 199997
199996 199996
199995 199995
199994 199994
199993 199993
199992 199992
199991 199991
199990 199990
199989 199989
199988 199988
199987 199987
199986 199986
199985 199985
199984 199984
199983 199983
199982 199982
199981 199981
199980...

output:

282849.783542430875229
282849.783542430875229
282849.783542430875229
282849.783542430875229
282849.783542430875229
282849.783542430875229
282849.783542430875229
282849.783542430875229
282849.783542430875229
282849.783542430875229
282849.783542430875229
282849.783542430875229
282849.783542430875229
2...

result:

ok 200000 numbers

Test #16:

score: 0
Accepted
time: 384ms
memory: 1890792kb

input:

200000 200005
99686 99686
193692 193692
142065 142065
56279 56279
120521 120521
147618 147618
148660 148660
1328 1328
69007 69007
5297 5297
136306 136306
136195 136195
101372 101372
66966 66966
110843 110843
170697 170697
23097 23097
146157 146157
118098 118098
11530 11530
42300 42300
74535 74535
17...

output:

281954.586357448706053
282849.783542430875229
282849.783542430875229
282849.783542430875229
282849.783542430875229
282849.783542430875229
282849.783542430875229
282849.783542430875229
282849.783542430875229
282849.783542430875229
282849.783542430875229
282849.783542430875229
282849.783542430875229
2...

result:

ok 200000 numbers

Test #17:

score: 0
Accepted
time: 292ms
memory: 1877860kb

input:

200000 1000000000
227478108 704821317
227478108 704821317
227478108 704821317
227478108 704821317
227478108 704821317
227478108 704821317
227478108 704821317
227478108 704821317
227478108 704821317
227478108 704821317
227478108 704821317
227478108 704821317
227478108 704821317
227478108 704821317
22...

output:

1318470491.027638149447739
0.000000000000000
1318470491.027638149447739
0.000000000000000
1318470491.027638149447739
0.000000000000000
1318470491.027638149447739
0.000000000000000
1318470491.027638149447739
0.000000000000000
1318470491.027638149447739
0.000000000000000
1318470491.027638149447739
0.0...

result:

ok 200000 numbers

Test #18:

score: 0
Accepted
time: 288ms
memory: 1877856kb

input:

200000 1000000000
517510913 200230004
39507125 601409920
30526823 972694998
176712 534697072
789676092 648567171
967127462 822743807
176712 534697072
176712 534697072
117560602 867751869
967127462 822743807
227002346 310628813
789676092 648567171
800983841 618498638
39507125 601409920
517510913 2002...

output:

566335974.501638142217416
1015038939.091501936432905
1414213562.373095048707910
1414213562.373095048707910
1414213562.373095048707910
1414213562.373095048707910
1414213562.373095048707910
1414213562.373095048707910
1414213562.373095048707910
1414213562.373095048707910
1414213562.373095048707910
1414...

result:

ok 200000 numbers

Test #19:

score: 0
Accepted
time: 279ms
memory: 1878088kb

input:

200000 1000000000
351451808 649636951
49985291 500589827
661773922 164694264
186065541 226295124
497991267 744030929
574182692 439989249
853617452 979655888
308109763 216029731
66584658 40643821
855305206 820425533
740812379 441059394
151159173 495945962
214589103 777995590
957581330 407536966
88513...

output:

1414213562.373095048707910
1414213562.373095048707910
1414213562.373095048707910
1414213562.373095048707910
1414213562.373095048707910
1414213562.373095048707910
1414213562.373095048707910
1414213562.373095048707910
1414213562.373095048707910
1414213562.373095048707910
1414213562.373095048707910
141...

result:

ok 200000 numbers

Test #20:

score: 0
Accepted
time: 337ms
memory: 1878076kb

input:

200000 1000000000
821475126 617812186
464369722 134670005
821475126 617812186
464369722 134670005
464369722 134670005
821475126 617812186
464369722 134670005
464369722 134670005
464369722 134670005
464369722 134670005
821475126 617812186
464369722 134670005
464369722 134670005
464369722 134670005
46...

output:

1126190670.472317134262994
1126190670.472317134262994
380904295.031705044151749
0.000000000000000
380904295.031705044151749
1126190670.472317134262994
1126190670.472317134262994
1126190670.472317134262994
1126190670.472317134262994
1126190670.472317134262994
380904295.031705044151749
0.0000000000000...

result:

ok 200000 numbers

Test #21:

score: 0
Accepted
time: 191ms
memory: 1877936kb

input:

200000 11
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 1
9 1
10 1
8 1
10 10
3 1
1 2
9 10
1 4
5 1
1 5
1 6
7 7
2 1
4 1
5 3
7 9
6 4
3 7
6 1
1 8
2 5
2 9
10 9
6 10
9 8
1 2
7 3
6 6
6 6
7 5
1 9
7 9
3 5
9 5
3 3
6 8
10 9
7 5
5 1
2 1
3 2
5 5
8 1
4 9
9 8
1 3
4 8
8 9
2 10
1 4
7 3
4 1
1 2
1 2
5 1
5 4
1 3
2 1
6 2
6 8
5 9
10 7
5...

output:

2.828427124746190
4.242640687119285
5.656854249492380
7.071067811865475
8.485281374238570
9.899494936611665
11.313708498984760
12.727922061357855
14.142135623730950
15.556349186104046
15.556349186104046
15.556349186104046
15.556349186104046
15.556349186104046
15.556349186104046
15.556349186104046
15...

result:

ok 200000 numbers

Test #22:

score: 0
Accepted
time: 151ms
memory: 1877960kb

input:

200000 4
1 1
2 1
3 1
1 1
3 2
3 3
2 1
3 3
2 1
2 2
2 2
3 1
2 2
3 3
1 2
2 3
1 2
2 1
2 2
1 2
3 1
2 2
2 1
2 1
3 3
2 2
1 2
1 3
2 1
3 3
2 3
3 1
2 1
1 2
1 3
3 1
2 3
2 1
1 2
3 3
1 3
3 3
2 3
2 3
2 1
3 1
3 3
1 2
2 1
2 1
1 1
1 3
1 1
1 1
2 3
2 2
1 2
1 1
1 3
1 1
1 2
1 1
2 3
1 1
2 2
2 2
2 1
2 1
3 2
1 1
3 1
1 2
1 1...

output:

2.828427124746190
4.242640687119285
5.656854249492380
4.242640687119285
4.242640687119285
5.656854249492380
5.656854249492380
4.242640687119285
4.242640687119285
5.656854249492380
4.242640687119285
4.242640687119285
5.656854249492380
5.656854249492380
5.656854249492380
5.656854249492380
5.6568542494...

result:

ok 200000 numbers

Test #23:

score: 0
Accepted
time: 279ms
memory: 1878016kb

input:

200000 51
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 1
9 1
10 1
11 1
12 1
13 1
14 1
15 1
16 1
17 1
18 1
19 1
20 1
21 1
22 1
23 1
24 1
25 1
26 1
27 1
28 1
29 1
30 1
31 1
32 1
33 1
34 1
35 1
36 1
37 1
38 1
39 1
40 1
41 1
42 1
43 1
44 1
45 1
46 1
47 1
48 1
49 1
50 1
2 47
25 41
44 8
35 38
37 24
42 32
40 48
19 4
26 4...

output:

2.828427124746190
4.242640687119285
5.656854249492380
7.071067811865475
8.485281374238570
9.899494936611665
11.313708498984760
12.727922061357855
14.142135623730950
15.556349186104046
16.970562748477141
18.384776310850236
19.798989873223331
21.213203435596426
22.627416997969521
24.041630560342616
25...

result:

ok 200000 numbers