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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#428265#8775. MountainCraftucup-team3564#AC ✓512ms99380kbC++202.3kb2024-06-01 18:13:092024-06-01 18:13:10

Judging History

你现在查看的是最新测评结果

  • [2024-06-01 18:13:10]
  • 评测
  • 测评结果:AC
  • 用时:512ms
  • 内存:99380kb
  • [2024-06-01 18:13:09]
  • 提交

answer

// MagicDark
#include <bits/stdc++.h>
#define debug cerr << "\033[32m[" << __LINE__ << "]\033[0m "
#define SZ(x) ((int) x.size() - 1)
#define all(x) x.begin(), x.end()
#define ms(x, y) memset(x, y, sizeof x)
#define F(i, x, y) for (int i = (x); i <= (y); i++)
#define DF(i, x, y) for (int i = (x); i >= (y); i--)
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
template <typename T> T& chkmax(T& x, T y) {return x = max(x, y);}
template <typename T> T& chkmin(T& x, T y) {return x = min(x, y);}
template <typename T> T& read(T &x) {
	x = 0; int f = 1; char c = getchar();
	for (; !isdigit(c); c = getchar()) if (c == '-') f = -f;
	for (; isdigit(c); c = getchar()) x = (x << 1) + (x << 3) + (c ^ 48);
	return x *= f;
}
const int N = 2e5 + 10, M = N * 35;
const double sq2 = sqrt(2);
int q, w, rt, ls[M], rs[M], tot, len[M], tag[M];
map <int, set <int>> mp;
// struct Info {
// 	int lmx, rmx;
// 	double ans;
// } info[M];
int info[M];
// void pushup(int num) {
// 	info[num].lmx = max(info[ls[num]].lmx, info[rs[num]].lmx - len[ls[num]]);
// 	info[num].rmx = max(info[rs[num]].rmx, info[ls[num]].rmx - len[rs[num]]);
// 	if (info[ls[num]].rmx > info[rs[num]].lmx) {
// 		info[num] = info[ls[num]].ans + 
// 	} else {
// 		info[num] = info[ls[num]].ans + 
// 	}
// 	if (info[ls[num]])
// }
// double
void pushup(int num, int l, int r) {
	if (tag[num]) info[num] = r - l + 1;
	else info[num] = info[ls[num]] + info[rs[num]];
}
void ins(int& num, int l, int r, int L, int R, int x) {
	if (!num) num = ++tot, len[num] = r - l + 1;
	if (L <= l && r <= R) {
		tag[num] += x;
		pushup(num, l, r);
		// if (!tag[num])
		// if (mp[l].empty()) info[num].lmx = info[num].rmx = 0;
		return;
	}
	int mid = (l + r) >> 1;
	if (mid >= L) ins(ls[num], l, mid, L, R, x);
	if (mid < R) ins(rs[num], mid + 1, r, L, R, x);
	pushup(num, l, r);
}
signed main() {
	read(q), read(w);
	F(i, 1, q) {
		int x, y; read(x), read(y);
		// debug << max(0, x - y) << " " << min(w - 1, x + y - 1) << endl;
		if (mp[x].count(y)) mp[x].erase(y), ins(rt, 0, w - 1, max(0, x - y), min(w - 1, x + y - 1), - 1);
		else mp[x].insert(y), ins(rt, 0, w - 1, max(0, x - y), min(w - 1, x + y - 1), 1);
		cout << fixed << setprecision(6) << info[rt] * sq2 << '\n';
		// ins(1, 1, w, x);
	}
	return 0;
}
/* why?
*/

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 5844kb

input:

3 10
3 2
7 3
9 6

output:

5.656854
12.727922
12.727922

result:

ok 3 numbers

Test #2:

score: 0
Accepted
time: 0ms
memory: 5984kb

input:

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

output:

101.823376
120.208153
73.539105
0.000000
101.823376

result:

ok 5 numbers

Test #3:

score: 0
Accepted
time: 0ms
memory: 5984kb

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:

11.313708
14.142136
14.142136
14.142136
14.142136
14.142136
14.142136
14.142136
14.142136
14.142136
14.142136
14.142136
14.142136
14.142136
14.142136
14.142136
14.142136
14.142136
14.142136
14.142136
14.142136
14.142136
14.142136
14.142136
14.142136
14.142136
14.142136
14.142136
14.142136
14.142136
...

result:

ok 100 numbers

Test #4:

score: 0
Accepted
time: 1ms
memory: 5984kb

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:

18.384776
41.012193
141.421356
141.421356
141.421356
141.421356
141.421356
141.421356
141.421356
141.421356
141.421356
141.421356
141.421356
141.421356
141.421356
141.421356
141.421356
141.421356
141.421356
141.421356
141.421356
141.421356
141.421356
141.421356
141.421356
141.421356
141.421356
141.4...

result:

ok 1000 numbers

Test #5:

score: 0
Accepted
time: 2ms
memory: 6060kb

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:

657.609307
1414.213562
1414.213562
1414.213562
1414.213562
1414.213562
1414.213562
1414.213562
1414.213562
1414.213562
1414.213562
1414.213562
1414.213562
1414.213562
1414.213562
1414.213562
1414.213562
1414.213562
1414.213562
1414.213562
1414.213562
1414.213562
1414.213562
1414.213562
1414.213562
1...

result:

ok 1000 numbers

Test #6:

score: 0
Accepted
time: 81ms
memory: 5984kb

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:

11.313708
14.142136
14.142136
14.142136
14.142136
14.142136
14.142136
14.142136
14.142136
14.142136
14.142136
14.142136
14.142136
14.142136
14.142136
14.142136
14.142136
14.142136
14.142136
14.142136
14.142136
14.142136
14.142136
14.142136
14.142136
14.142136
14.142136
14.142136
14.142136
14.142136
...

result:

ok 200000 numbers

Test #7:

score: 0
Accepted
time: 123ms
memory: 6280kb

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:

18.384776
141.421356
141.421356
141.421356
141.421356
141.421356
141.421356
141.421356
141.421356
141.421356
141.421356
141.421356
141.421356
141.421356
141.421356
141.421356
141.421356
141.421356
141.421356
141.421356
141.421356
141.421356
141.421356
141.421356
141.421356
141.421356
141.421356
141....

result:

ok 200000 numbers

Test #8:

score: 0
Accepted
time: 198ms
memory: 16576kb

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:

5530.989242
13392.602436
14142.135624
14142.135624
14142.135624
14142.135624
14142.135624
14142.135624
14142.135624
14142.135624
14142.135624
14142.135624
14142.135624
14142.135624
14142.135624
14142.135624
14142.135624
14142.135624
14142.135624
14142.135624
14142.135624
14142.135624
14142.135624
14...

result:

ok 200000 numbers

Test #9:

score: 0
Accepted
time: 512ms
memory: 99380kb

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:

1355119095.862844
1414213562.373095
1414213562.373095
1414213562.373095
1414213562.373095
1414213562.373095
1414213562.373095
1414213562.373095
1414213562.373095
1414213562.373095
1414213562.373095
1414213562.373095
1414213562.373095
1414213562.373095
1414213562.373095
1414213562.373095
1414213562.3...

result:

ok 200000 numbers

Test #10:

score: 0
Accepted
time: 1ms
memory: 5984kb

input:

3 100
82 61
46 1
82 61

output:

111.722871
111.722871
2.828427

result:

ok 3 numbers

Test #11:

score: 0
Accepted
time: 180ms
memory: 38672kb

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:

2.828427
5.656854
8.485281
11.313708
14.142136
16.970563
19.798990
22.627417
25.455844
28.284271
31.112698
33.941125
36.769553
39.597980
42.426407
45.254834
48.083261
50.911688
53.740115
56.568542
59.396970
62.225397
65.053824
67.882251
70.710678
73.539105
76.367532
79.195959
82.024387
84.852814
87....

result:

ok 200000 numbers

Test #12:

score: 0
Accepted
time: 197ms
memory: 38232kb

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:

282842.712475
282842.712475
282842.712475
282842.712475
282842.712475
282842.712475
282842.712475
282842.712475
282842.712475
282842.712475
282842.712475
282842.712475
282842.712475
282842.712475
282842.712475
282842.712475
282842.712475
282842.712475
282842.712475
282842.712475
282842.712475
282842...

result:

ok 200000 numbers

Test #13:

score: 0
Accepted
time: 334ms
memory: 38224kb

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:

33788.390432
282842.712475
282842.712475
282842.712475
282842.712475
282842.712475
282842.712475
282842.712475
282842.712475
282842.712475
282842.712475
282842.712475
282842.712475
282842.712475
282842.712475
282842.712475
282842.712475
282842.712475
282842.712475
282842.712475
282842.712475
282842....

result:

ok 200000 numbers

Test #14:

score: 0
Accepted
time: 170ms
memory: 37748kb

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:

2.828427
5.656854
8.485281
11.313708
14.142136
16.970563
19.798990
22.627417
25.455844
28.284271
31.112698
33.941125
36.769553
39.597980
42.426407
45.254834
48.083261
50.911688
53.740115
56.568542
59.396970
62.225397
65.053824
67.882251
70.710678
73.539105
76.367532
79.195959
82.024387
84.852814
87....

result:

ok 200000 numbers

Test #15:

score: 0
Accepted
time: 159ms
memory: 37908kb

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:

282849.783542
282849.783542
282849.783542
282849.783542
282849.783542
282849.783542
282849.783542
282849.783542
282849.783542
282849.783542
282849.783542
282849.783542
282849.783542
282849.783542
282849.783542
282849.783542
282849.783542
282849.783542
282849.783542
282849.783542
282849.783542
282849...

result:

ok 200000 numbers

Test #16:

score: 0
Accepted
time: 288ms
memory: 37736kb

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:

281954.586357
282849.783542
282849.783542
282849.783542
282849.783542
282849.783542
282849.783542
282849.783542
282849.783542
282849.783542
282849.783542
282849.783542
282849.783542
282849.783542
282849.783542
282849.783542
282849.783542
282849.783542
282849.783542
282849.783542
282849.783542
282849...

result:

ok 200000 numbers

Test #17:

score: 0
Accepted
time: 131ms
memory: 5936kb

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:

1318470491.027638
0.000000
1318470491.027638
0.000000
1318470491.027638
0.000000
1318470491.027638
0.000000
1318470491.027638
0.000000
1318470491.027638
0.000000
1318470491.027638
0.000000
1318470491.027638
0.000000
1318470491.027638
0.000000
1318470491.027638
0.000000
1318470491.027638
0.000000
131...

result:

ok 200000 numbers

Test #18:

score: 0
Accepted
time: 172ms
memory: 5984kb

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:

566335974.501638
1015038939.091502
1414213562.373095
1414213562.373095
1414213562.373095
1414213562.373095
1414213562.373095
1414213562.373095
1414213562.373095
1414213562.373095
1414213562.373095
1414213562.373095
1414213562.373095
1414213562.373095
1414213562.373095
1414213562.373095
1414213562.37...

result:

ok 200000 numbers

Test #19:

score: 0
Accepted
time: 176ms
memory: 6040kb

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:

1414213562.373095
1414213562.373095
1414213562.373095
1414213562.373095
1414213562.373095
1414213562.373095
1414213562.373095
1414213562.373095
1414213562.373095
1414213562.373095
1414213562.373095
1414213562.373095
1414213562.373095
1414213562.373095
1414213562.373095
1414213562.373095
1414213562.3...

result:

ok 200000 numbers

Test #20:

score: 0
Accepted
time: 185ms
memory: 5976kb

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:

1126190670.472317
1126190670.472317
380904295.031705
0.000000
380904295.031705
1126190670.472317
1126190670.472317
1126190670.472317
1126190670.472317
1126190670.472317
380904295.031705
0.000000
380904295.031705
0.000000
380904295.031705
1126190670.472317
380904295.031705
0.000000
380904295.031705
0...

result:

ok 200000 numbers

Test #21:

score: 0
Accepted
time: 81ms
memory: 6032kb

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:

2.828427
4.242641
5.656854
7.071068
8.485281
9.899495
11.313708
12.727922
14.142136
15.556349
15.556349
15.556349
15.556349
15.556349
15.556349
15.556349
15.556349
15.556349
15.556349
15.556349
15.556349
15.556349
15.556349
15.556349
15.556349
15.556349
15.556349
15.556349
15.556349
15.556349
15.556...

result:

ok 200000 numbers

Test #22:

score: 0
Accepted
time: 59ms
memory: 5788kb

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:

2.828427
4.242641
5.656854
4.242641
4.242641
5.656854
5.656854
4.242641
4.242641
5.656854
4.242641
4.242641
5.656854
5.656854
5.656854
5.656854
5.656854
5.656854
5.656854
5.656854
5.656854
5.656854
5.656854
5.656854
5.656854
5.656854
5.656854
5.656854
5.656854
5.656854
5.656854
5.656854
5.656854
5.6...

result:

ok 200000 numbers

Test #23:

score: 0
Accepted
time: 101ms
memory: 5988kb

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:

2.828427
4.242641
5.656854
7.071068
8.485281
9.899495
11.313708
12.727922
14.142136
15.556349
16.970563
18.384776
19.798990
21.213203
22.627417
24.041631
25.455844
26.870058
28.284271
29.698485
31.112698
32.526912
33.941125
35.355339
36.769553
38.183766
39.597980
41.012193
42.426407
43.840620
45.254...

result:

ok 200000 numbers