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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
#840163#9561. 树数叔术niucard100 ✓121ms11580kbC++14784b2025-01-02 16:01:272025-01-02 16:01:27

Judging History

你现在查看的是最新测评结果

  • [2025-01-02 16:01:27]
  • 评测
  • 测评结果:100
  • 用时:121ms
  • 内存:11580kb
  • [2025-01-02 16:01:27]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
int n,v,p,f[160][160][160],c[160][160];
int main()
{
	scanf("%d%d%d",&n,&v,&p);
	if(v>=n)
	{
		printf("0");
		return 0;
	}
	c[0][0]=1;
	int lx=1;
	for(int i=1;i<=n;i++)
	{
		c[i][0]=1;
		for(int j=1;j<=i;j++)
		c[i][j]=(c[i-1][j-1]+c[i-1][j])%p;
		lx=1LL*lx*i%p;
	}
	f[0][1][0]=1;
	for(int i=0;i<=v;i++)
	{
		for(int j=i+1;j<=n;j++)
		{
			for(int k=0;k<=j-(i+1);k++)
			{
//				cout<<i<<' '<<j<<' '<<k<<' '<<f[i][j][k]<<endl;
				if(!f[i][j][k])
				continue;
				for(int l=1;l<=k;l++)
				f[i+1][j][k-l]=(f[i+1][j][k-l]+1LL*f[i][j][k]*c[k][l])%p;
				for(int l=j+1;l<=n;l++)
				f[i+1][l][k+l-j-1]=(f[i+1][l][k+l-j-1]+1LL*f[i][j][k]*j)%p;
			}
		}
	}
	printf("%d",1LL*f[v][n][0]*lx%p);
	return 0;
}

详细

Subtask #1:

score: 5
Accepted

Test #1:

score: 5
Accepted
time: 0ms
memory: 3884kb

input:

1 1 624295285

output:

0

result:

ok single line: '0'

Test #2:

score: 5
Accepted
time: 0ms
memory: 3776kb

input:

4 684813415 564954712

output:

0

result:

ok single line: '0'

Test #3:

score: 5
Accepted
time: 0ms
memory: 3856kb

input:

4 2 844826878

output:

24

result:

ok single line: '24'

Test #4:

score: 5
Accepted
time: 0ms
memory: 3836kb

input:

4 17724073 252218682

output:

0

result:

ok single line: '0'

Test #5:

score: 5
Accepted
time: 0ms
memory: 3708kb

input:

4 3 697681963

output:

384

result:

ok single line: '384'

Subtask #2:

score: 15
Accepted

Test #6:

score: 15
Accepted
time: 0ms
memory: 3920kb

input:

6 4 956647977

output:

238320

result:

ok single line: '238320'

Test #7:

score: 15
Accepted
time: 0ms
memory: 3872kb

input:

6 450615260 491361886

output:

0

result:

ok single line: '0'

Test #8:

score: 15
Accepted
time: 0ms
memory: 3976kb

input:

6 5 339344353

output:

933120

result:

ok single line: '933120'

Test #9:

score: 15
Accepted
time: 0ms
memory: 3724kb

input:

6 3 842228619

output:

23760

result:

ok single line: '23760'

Test #10:

score: 15
Accepted
time: 0ms
memory: 3860kb

input:

6 5 331699652

output:

933120

result:

ok single line: '933120'

Subtask #3:

score: 30
Accepted

Test #11:

score: 30
Accepted
time: 0ms
memory: 4584kb

input:

48 26 424594716

output:

362283012

result:

ok single line: '362283012'

Test #12:

score: 30
Accepted
time: 0ms
memory: 3812kb

input:

49 1000000000 738885247

output:

0

result:

ok single line: '0'

Test #13:

score: 30
Accepted
time: 0ms
memory: 4672kb

input:

48 39 688951620

output:

598399200

result:

ok single line: '598399200'

Test #14:

score: 30
Accepted
time: 0ms
memory: 3840kb

input:

50 476039414 292870080

output:

0

result:

ok single line: '0'

Test #15:

score: 30
Accepted
time: 2ms
memory: 4796kb

input:

50 48 245196368

output:

123576912

result:

ok single line: '123576912'

Subtask #4:

score: 50
Accepted

Test #16:

score: 50
Accepted
time: 0ms
memory: 3700kb

input:

150 526250070 197316869

output:

0

result:

ok single line: '0'

Test #17:

score: 50
Accepted
time: 114ms
memory: 11108kb

input:

149 116 671784452

output:

18945228

result:

ok single line: '18945228'

Test #18:

score: 50
Accepted
time: 109ms
memory: 10892kb

input:

146 144 906402626

output:

438777234

result:

ok single line: '438777234'

Test #19:

score: 50
Accepted
time: 108ms
memory: 11368kb

input:

147 143 705666477

output:

70408701

result:

ok single line: '70408701'

Test #20:

score: 50
Accepted
time: 121ms
memory: 11580kb

input:

150 147 453481175

output:

336290325

result:

ok single line: '336290325'