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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#604768#5444. Tavern Chesswsxcb#AC ✓360ms3920kbC++172.5kb2024-10-02 13:48:592024-10-02 13:49:00

Judging History

你现在查看的是最新测评结果

  • [2024-10-02 13:49:00]
  • 评测
  • 测评结果:AC
  • 用时:360ms
  • 内存:3920kb
  • [2024-10-02 13:48:59]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
#define pb push_back
#define se second
#define fi first
const int mod = 1e9 + 7;

//#define int long long
ll ksm(ll a, ll b) {
	ll ans = 1;
	while (b) {
		if (b & 1)
			ans = ans * a % mod;
		a = a * a % mod;
		b /= 2;
	}
	return ans;
}
int n, m;
int a[10], b[10], ah[10], bh[10], acn[10], bcn[10];
ld wa = 0, wb = 0, dw = 0;

int check() {
	int cna = 0, cnb = 0;
	for (int i = 1 ; i <= n ; i++)
		if (ah[i] > 0)
			cna++;
	for (int i = 1 ; i <= m ; i++)
		if (bh[i] > 0)
			cnb++;

	if (!cna && !cnb)
		return 1;
	if (!cna)
		return 2;
	if (!cnb)
		return 3;

	return 4;

}

int find(int op) {
	int cnt = 0;
	if (op == 0) {
		for (int i = 1 ; i <= m ; i++)
			if (bh[i] > 0)
				cnt++;
	} else {
		for (int i = 1 ; i <= n ; i++)
			if (ah[i] > 0)
				cnt++;
	}
	return cnt;
}

int findid(int op) {
	int mi = 1e9, id = -1;
	if (!op) {
		for (int i = 1 ; i <= n ; i++)
			if (acn[i] < mi && ah[i] > 0) {
				mi = acn[i], id = i;
			}
	} else {
		for (int i = 1 ; i <= m ; i++)
			if (bcn[i] < mi && bh[i] > 0) {
				mi = bcn[i], id = i;
			}
	}
	return id;
}

void dfs(int cur, ld p) {
	int ok = check();
	if (ok != 4) {
		//cout << "CWAO" << ' ' << ok << '\n';
		if (ok == 3)
			wa += p;
		if (ok == 2)
			wb += p;
		if (ok == 1)
			dw += p;
		return;
	}
	//cout << cur << ' ' << p << '\n';
	int id = findid(cur);
	//cout << cur << ' ' << id << '\n';
	int cn = find(cur);
	ld cp = p / cn;

	if (!cur) {
		for (int i = 1 ; i <= m ; i++) {
			if (bh[i] > 0) {
				bh[i] -= a[id];
				ah[id] -= b[i];
				acn[id]++;
				dfs(cur ^ 1, cp);
				bh[i] += a[id];
				ah[id] += b[i];
				acn[id]--;
			}
		}
	} else {
		for (int i = 1 ; i <= n ; i++) {
			if (ah[i] > 0) {
				ah[i] -= b[id];
				bh[id] -= a[i];
				bcn[id]++;
				dfs(cur ^ 1, cp);
				ah[i] += b[id];
				bh[id] += a[i];
				bcn[id]--;
			}
		}
	}
}

void solve() {

	cin >> n >> m;
	for (int i = 1 ; i <= n ; i++) {
		cin >> a[i];
		ah[i] = a[i];
		acn[i] = 0;
	}
	for (int i = 1 ; i <= m ; i++) {
		cin >> b[i];
		bh[i] = b[i];
		bcn[i] = 0;
	}

	if (n > m) {
		dfs(0, 1.0);
	} else if (n < m) {
		dfs(1, 1.0);
	} else {
		dfs(0, 0.5);
		dfs(1, 0.5);
	}

	cout << fixed << setprecision(18) << wa << '\n' << wb << '\n' << dw << '\n';

}

int main() {
	ios::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	int t = 1;
	//cin >> t;
	while (t--)
		solve();
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3896kb

input:

2 3
2 5
3 4 1

output:

0.125000000000000000
0.750000000000000000
0.125000000000000000

result:

ok 3 numbers

Test #2:

score: 0
Accepted
time: 2ms
memory: 3824kb

input:

6 6
1 1 4 5 1 4
1 1 4 5 1 4

output:

0.241867283950617289
0.241867283950617289
0.516265432098765451

result:

ok 3 numbers

Test #3:

score: 0
Accepted
time: 1ms
memory: 3832kb

input:

7 7
1 1 1 1 1 1 1
1 1 1 1 1 1 1

output:

0.000000000000000000
0.000000000000000000
1.000000000000000136

result:

ok 3 numbers

Test #4:

score: 0
Accepted
time: 0ms
memory: 3804kb

input:

1 7
7
1 1 1 1 1 1 1

output:

0.000000000000000000
0.000000000000000000
1.000000000000000000

result:

ok 3 numbers

Test #5:

score: 0
Accepted
time: 0ms
memory: 3912kb

input:

2 3
736618938 652769331
328875880 97571721 44608905

output:

1.000000000000000000
0.000000000000000000
0.000000000000000000

result:

ok 3 numbers

Test #6:

score: 0
Accepted
time: 0ms
memory: 3872kb

input:

5 4
53585130 731696211 668322278 611205195 158818781
569587984 776042583 745745433 330119007

output:

0.066840277777777778
0.664351851851851852
0.268807870370370370

result:

ok 3 numbers

Test #7:

score: 0
Accepted
time: 0ms
memory: 3824kb

input:

7 2
578505806 551611151 92903265 403642038 542119417 57334031 307573613
897644535 168524310

output:

1.000000000000000000
0.000000000000000000
0.000000000000000000

result:

ok 3 numbers

Test #8:

score: 0
Accepted
time: 1ms
memory: 3812kb

input:

5 6
113196606 64768263 772808463 787707989 500151952
481840741 676847825 4641268 431386165 847736311 169677832

output:

0.136323173868312758
0.522397183641975308
0.341279642489711937

result:

ok 3 numbers

Test #9:

score: 0
Accepted
time: 2ms
memory: 3832kb

input:

6 6
260666773 527612597 471926610 702232282 559007797 606173983
560573055 928117268 101411867 875949818 907478252 182117037

output:

0.000000000000000000
0.960819573045267788
0.039180426954732511

result:

ok 3 numbers

Test #10:

score: 0
Accepted
time: 0ms
memory: 3816kb

input:

3 3
333377599 3066695 67916629
426841530 865184552 974638244

output:

0.000000000000000000
1.000000000000000000
0.000000000000000000

result:

ok 3 numbers

Test #11:

score: 0
Accepted
time: 0ms
memory: 3876kb

input:

1 1
529429019
529428649

output:

1.000000000000000000
0.000000000000000000
0.000000000000000000

result:

ok 3 numbers

Test #12:

score: 0
Accepted
time: 0ms
memory: 3680kb

input:

3 3
12886596 817437415 465037461
12886473 817437448 465037967

output:

0.069444444444444444
0.652777777777777778
0.277777777777777778

result:

ok 3 numbers

Test #13:

score: 0
Accepted
time: 10ms
memory: 3772kb

input:

6 6
211213374 319527017 257080158 176742665 53109345 33822515
53109265 319527076 176743175 257080012 211212799 33822353

output:

0.423399959276406127
0.319386584790809315
0.257213455932784639

result:

ok 3 numbers

Test #14:

score: 0
Accepted
time: 0ms
memory: 3804kb

input:

1 2
1
1 1

output:

0.000000000000000000
1.000000000000000000
0.000000000000000000

result:

ok 3 numbers

Test #15:

score: 0
Accepted
time: 0ms
memory: 3860kb

input:

1 2
1
1 3

output:

0.000000000000000000
1.000000000000000000
0.000000000000000000

result:

ok 3 numbers

Test #16:

score: 0
Accepted
time: 0ms
memory: 3772kb

input:

1 2
2
4 2

output:

0.000000000000000000
1.000000000000000000
0.000000000000000000

result:

ok 3 numbers

Test #17:

score: 0
Accepted
time: 0ms
memory: 3828kb

input:

1 2
3
5 5

output:

0.000000000000000000
1.000000000000000000
0.000000000000000000

result:

ok 3 numbers

Test #18:

score: 0
Accepted
time: 0ms
memory: 3872kb

input:

1 2
4
1 2

output:

1.000000000000000000
0.000000000000000000
0.000000000000000000

result:

ok 3 numbers

Test #19:

score: 0
Accepted
time: 0ms
memory: 3824kb

input:

1 2
5
2 5

output:

0.000000000000000000
0.000000000000000000
1.000000000000000000

result:

ok 3 numbers

Test #20:

score: 0
Accepted
time: 0ms
memory: 3764kb

input:

1 2
5
5 5

output:

0.000000000000000000
1.000000000000000000
0.000000000000000000

result:

ok 3 numbers

Test #21:

score: 0
Accepted
time: 0ms
memory: 3820kb

input:

2 2
1 1
1 3

output:

0.000000000000000000
1.000000000000000000
0.000000000000000000

result:

ok 3 numbers

Test #22:

score: 0
Accepted
time: 0ms
memory: 3676kb

input:

2 2
1 1
2 3

output:

0.000000000000000000
1.000000000000000000
0.000000000000000000

result:

ok 3 numbers

Test #23:

score: 0
Accepted
time: 0ms
memory: 3876kb

input:

2 2
1 4
2 5

output:

0.000000000000000000
0.500000000000000000
0.500000000000000000

result:

ok 3 numbers

Test #24:

score: 0
Accepted
time: 0ms
memory: 3880kb

input:

2 2
2 2
1 4

output:

0.000000000000000000
0.000000000000000000
1.000000000000000000

result:

ok 3 numbers

Test #25:

score: 0
Accepted
time: 0ms
memory: 3896kb

input:

2 2
3 2
4 1

output:

0.000000000000000000
0.500000000000000000
0.500000000000000000

result:

ok 3 numbers

Test #26:

score: 0
Accepted
time: 0ms
memory: 3824kb

input:

2 2
3 3
1 3

output:

1.000000000000000000
0.000000000000000000
0.000000000000000000

result:

ok 3 numbers

Test #27:

score: 0
Accepted
time: 0ms
memory: 3772kb

input:

2 2
3 3
2 4

output:

0.000000000000000000
0.000000000000000000
1.000000000000000000

result:

ok 3 numbers

Test #28:

score: 0
Accepted
time: 0ms
memory: 3820kb

input:

2 2
3 3
5 3

output:

0.000000000000000000
1.000000000000000000
0.000000000000000000

result:

ok 3 numbers

Test #29:

score: 0
Accepted
time: 0ms
memory: 3820kb

input:

2 2
4 3
2 1

output:

1.000000000000000000
0.000000000000000000
0.000000000000000000

result:

ok 3 numbers

Test #30:

score: 0
Accepted
time: 0ms
memory: 3768kb

input:

2 2
4 3
4 4

output:

0.000000000000000000
1.000000000000000000
0.000000000000000000

result:

ok 3 numbers

Test #31:

score: 0
Accepted
time: 0ms
memory: 3900kb

input:

2 2
5 1
5 2

output:

0.125000000000000000
0.625000000000000000
0.250000000000000000

result:

ok 3 numbers

Test #32:

score: 0
Accepted
time: 0ms
memory: 3824kb

input:

2 2
5 1
5 3

output:

0.125000000000000000
0.625000000000000000
0.250000000000000000

result:

ok 3 numbers

Test #33:

score: 0
Accepted
time: 0ms
memory: 3824kb

input:

2 2
5 2
2 3

output:

0.875000000000000000
0.000000000000000000
0.125000000000000000

result:

ok 3 numbers

Test #34:

score: 0
Accepted
time: 0ms
memory: 3892kb

input:

2 2
5 4
1 2

output:

1.000000000000000000
0.000000000000000000
0.000000000000000000

result:

ok 3 numbers

Test #35:

score: 0
Accepted
time: 0ms
memory: 3832kb

input:

2 2
5 4
3 5

output:

0.875000000000000000
0.000000000000000000
0.125000000000000000

result:

ok 3 numbers

Test #36:

score: 0
Accepted
time: 0ms
memory: 3816kb

input:

2 2
5 5
1 4

output:

1.000000000000000000
0.000000000000000000
0.000000000000000000

result:

ok 3 numbers

Test #37:

score: 0
Accepted
time: 0ms
memory: 3808kb

input:

2 2
5 5
2 2

output:

1.000000000000000000
0.000000000000000000
0.000000000000000000

result:

ok 3 numbers

Test #38:

score: 0
Accepted
time: 0ms
memory: 3676kb

input:

1 1
6
6

output:

0.000000000000000000
0.000000000000000000
1.000000000000000000

result:

ok 3 numbers

Test #39:

score: 0
Accepted
time: 1ms
memory: 3892kb

input:

5 5
6 5 9 9 3
3 5 9 9 6

output:

0.297870370370370371
0.278773148148148148
0.423356481481481482

result:

ok 3 numbers

Test #40:

score: 0
Accepted
time: 2ms
memory: 3808kb

input:

6 6
10 2 3 4 5 7
5 2 4 3 10 7

output:

0.254010456854423882
0.192773705418381345
0.553215837727194782

result:

ok 3 numbers

Test #41:

score: 0
Accepted
time: 50ms
memory: 3896kb

input:

7 7
7 6 8 6 7 3 9
7 6 9 8 7 3 6

output:

0.310913751425669480
0.365768367914019600
0.323317880660310811

result:

ok 3 numbers

Test #42:

score: 0
Accepted
time: 2ms
memory: 3828kb

input:

6 6
5 4 7 9 9 10
9 4 9 7 5 10

output:

0.216942435056584369
0.327856545781892998
0.455201019161522637

result:

ok 3 numbers

Test #43:

score: 0
Accepted
time: 0ms
memory: 3920kb

input:

4 4
9 7 10 6
9 7 6 10

output:

0.330873842592592593
0.262297453703703704
0.406828703703703704

result:

ok 3 numbers

Test #44:

score: 0
Accepted
time: 0ms
memory: 3824kb

input:

3 3
3 10 3
3 10 3

output:

0.187500000000000000
0.187500000000000000
0.625000000000000000

result:

ok 3 numbers

Test #45:

score: 0
Accepted
time: 0ms
memory: 3828kb

input:

2 2
3 4
3 4

output:

0.000000000000000000
0.000000000000000000
1.000000000000000000

result:

ok 3 numbers

Test #46:

score: 0
Accepted
time: 93ms
memory: 3828kb

input:

7 7
922750124 99645786 685060385 948410807 266950246 996521461 883971852
266950246 99645786 883971852 685060385 922750124 996521461 948410807

output:

0.363356371416236440
0.279566405511857297
0.357077223071906146

result:

ok 3 numbers

Test #47:

score: 0
Accepted
time: 128ms
memory: 3864kb

input:

7 7
241155912 361580213 393947982 781406405 485516551 277202028 115028196
485516551 361580213 115028196 393947982 241155912 277202028 781406405

output:

0.370176093599871841
0.278789945303564109
0.351033961096563729

result:

ok 3 numbers

Test #48:

score: 0
Accepted
time: 73ms
memory: 3916kb

input:

7 7
565748008 734938287 873800405 879803305 473331973 893190834 623040014
473331973 734938287 623040014 873800405 565748008 893190834 879803305

output:

0.364305908016636533
0.315603554227117828
0.320090537756245516

result:

ok 3 numbers

Test #49:

score: 0
Accepted
time: 198ms
memory: 3824kb

input:

7 7
14 4 6 5 201506030 15 15
4 14 201506030 15 15 6 5

output:

0.178183791652377361
0.337081509869894278
0.484734698477726545

result:

ok 3 numbers

Test #50:

score: 0
Accepted
time: 123ms
memory: 3812kb

input:

7 7
3 2 3 5 784861968 2 1
2 3 784861968 1 2 3 5

output:

0.223075021873287334
0.316151580233161575
0.460773397893550613

result:

ok 3 numbers

Test #51:

score: 0
Accepted
time: 304ms
memory: 3896kb

input:

7 7
8 15 3 9 168061718 2 5
15 8 168061718 5 2 3 9

output:

0.212969595988052449
0.319962995067213555
0.467067408944732836

result:

ok 3 numbers

Test #52:

score: 0
Accepted
time: 107ms
memory: 3824kb

input:

7 7
859736717 19 19 18 13 10 7
7 10 13 18 19 19 859736717

output:

0.393620652595214101
0.147967266251600944
0.458412081153185344

result:

ok 3 numbers

Test #53:

score: 0
Accepted
time: 146ms
memory: 3820kb

input:

7 7
761045932 18 13 11 9 7 6
6 7 9 11 13 18 761045932

output:

0.382467689555167386
0.147493238654726650
0.470039071790106359

result:

ok 3 numbers

Test #54:

score: 0
Accepted
time: 168ms
memory: 3868kb

input:

7 7
379524878 17 16 14 10 6 1
1 6 10 14 16 17 379524878

output:

0.379260293299904394
0.176536722079842762
0.444202984620253184

result:

ok 3 numbers

Test #55:

score: 0
Accepted
time: 178ms
memory: 3856kb

input:

7 7
986258805 329018732 16 14 10 10 4
4 10 10 14 16 329018732 986258805

output:

0.335206523508067108
0.168228186481800798
0.496565290010131323

result:

ok 3 numbers

Test #56:

score: 0
Accepted
time: 175ms
memory: 3808kb

input:

7 7
402437510 39859989 20 20 18 17 7
7 17 18 20 20 39859989 402437510

output:

0.328699473643151534
0.160263058268706177
0.511037468088141450

result:

ok 3 numbers

Test #57:

score: 0
Accepted
time: 208ms
memory: 3676kb

input:

7 7
719895666 88341845 15 11 10 6 5
5 6 10 11 15 88341845 719895666

output:

0.341541058762872197
0.169436596665697331
0.489022344571429395

result:

ok 3 numbers

Test #58:

score: 0
Accepted
time: 299ms
memory: 3816kb

input:

7 7
22 657372492 8 20 531193761 10 21
8 22 20 657372492 531193761 21 10

output:

0.283032035858508889
0.214331641402718256
0.502636322738773141

result:

ok 3 numbers

Test #59:

score: 0
Accepted
time: 360ms
memory: 3820kb

input:

7 7
8 559730577 2 23 543514141 3 24
2 8 23 559730577 543514141 24 3

output:

0.283681616583426710
0.222015713449777860
0.494302669966797148

result:

ok 3 numbers

Test #60:

score: 0
Accepted
time: 238ms
memory: 3892kb

input:

7 7
24 416408320 4 25 698151361 24 15
4 24 25 416408320 698151361 15 24

output:

0.297516368442784990
0.247286586967483543
0.455197044589732432

result:

ok 3 numbers