NOI.AC

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
#148903	#37. 染色	EasonHe	100	2737ms	118672kb	C++	481b	2022-07-18 18:08:29	2022-07-18 18:08:30

answer

#include<bits/stdc++.h>
#include<cstdio>
using namespace std;
long long dp[5005][5005],s[5005],p;
long long n,m;
int main()
{
	cin>>n>>m>>p;
	dp[0][0]=1;
	for(int i=1;i<=n;i++){
		for(int j=1;j<=min((long long)i,m-1);j++){
			dp[i][j]+=dp[i-1][j-1]*(m-j+1);
			dp[i][j]%=p;
			dp[i][j]+=s[j];
			dp[i][j]%=p;
		}
		for(int j=m-1;j>=1;j--)s[j]=s[j+1]+dp[i][j],s[j]%=p;
	}
	long long ans=0;
	for(int i=1;i<m;i++){
		ans+=dp[n][i];
		ans%=p;
	}
	cout<<ans;
}

源文件, 语言: C++

详细

小提示：点击横条可展开更详细的信息

Test #1:

score: 5

Accepted

time: 0ms

memory: 1220kb

input:

5 2 6

output:

result:

ok 1 number(s): "2"

Test #2:

score: 5

Accepted

time: 0ms

memory: 1232kb

input:

8 8 562455908

output:

16736896

result:

ok 1 number(s): "16736896"

Test #3:

score: 5

Accepted

time: 0ms

memory: 9044kb

input:

1942 7 873185963

output:

41441893

result:

ok 1 number(s): "41441893"

Test #4:

score: 5

Accepted

time: 5ms

memory: 9444kb

input:

2030 10 187301366

output:

171496026

result:

ok 1 number(s): "171496026"

Test #5:

score: 5

Accepted

time: 0ms

memory: 20024kb

input:

4643 9 998244353

output:

583546139

result:

ok 1 number(s): "583546139"

Test #6:

score: 5

Accepted

time: 121ms

memory: 15204kb

input:

1447 3969 998244353

output:

669602806

result:

ok 1 number(s): "669602806"

Test #7:

score: 5

Accepted

time: 0ms

memory: 2300kb

input:

226 212 998244352

output:

503316480

result:

ok 1 number(s): "503316480"

Test #8:

score: 5

Accepted

time: 4ms

memory: 2748kb

input:

300 292 779230672

output:

95153840

result:

ok 1 number(s): "95153840"

Test #9:

score: 5

Accepted

time: 3ms

memory: 2552kb

input:

269 228 479932618

output:

244481530

result:

ok 1 number(s): "244481530"

Test #10:

score: 5

Accepted

time: 0ms

memory: 2204kb

input:

216 112 207794912

output:

145540448

result:

ok 1 number(s): "145540448"

Test #11:

score: 5

Accepted

time: 3ms

memory: 2688kb

input:

291 261 37264436

output:

28883269

result:

ok 1 number(s): "28883269"

Test #12:

score: 5

Accepted

time: 0ms

memory: 2576kb

input:

273 218 960539553

output:

718739009

result:

ok 1 number(s): "718739009"

Test #13:

score: 5

Accepted

time: 214ms

memory: 46340kb

input:

2991 2318 704783019

output:

517763339

result:

ok 1 number(s): "517763339"

Test #14:

score: 5

Accepted

time: 129ms

memory: 43592kb

input:

4413 790 693631006

output:

634441922

result:

ok 1 number(s): "634441922"

Test #15:

score: 5

Accepted

time: 594ms

memory: 109520kb

input:

4786 4581 2

output:

result:

ok 1 number(s): "1"

Test #16:

score: 5

Accepted

time: 580ms

memory: 116716kb

input:

4953 4424 876277826

output:

746769658

result:

ok 1 number(s): "746769658"

Test #17:

score: 5

Accepted

time: 4ms

memory: 22220kb

input:

4921 37 699201223

output:

206663263

result:

ok 1 number(s): "206663263"

Test #18:

score: 5

Accepted

time: 197ms

memory: 57440kb

input:

4991 994 533908193

output:

86765287

result:

ok 1 number(s): "86765287"

Test #19:

score: 5

Accepted

time: 698ms

memory: 118672kb

input:

5000 5000 640462742

output:

518214138

result:

ok 1 number(s): "518214138"

Test #20:

score: 5

Accepted

time: 185ms

memory: 55688kb

input:

4935 1005 961254358

output:

202283451

result:

ok 1 number(s): "202283451"

Extra Test:

score: 0

Extra Test Passed