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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#103197#4794. Salajlyx123886a123886WA 2ms3468kbC++141.3kb2023-05-04 18:41:422023-05-04 18:41:43

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2023-05-04 18:41:43]
  • 评测
  • 测评结果:WA
  • 用时:2ms
  • 内存:3468kb
  • [2023-05-04 18:41:42]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
int read()
{
	char ch=getchar();int res=0,fl=1;
	while(ch<'0'||ch>'9'){if(ch=='-') fl=-1;ch=getchar();}
	while(ch>='0'&&ch<='9'){res=res*10+ch-'0';ch=getchar();}
	return res*fl;
}
const int N=55;
int dp[N][N],s[N][N];//s:后缀和
void solve()
{
	memset(dp,0,sizeof(dp));
	memset(s,0,sizeof(s));
	
	int n=read(),m=read(),mod=read();
	dp[0][1]=1;
	for(int k=1;k<=n;++k)
	for(int j=n-1;j>=0;--j)
	s[j][k]=(s[j+1][k]+dp[j][k])%mod;
	
	for(int i=1;i<=m;++i)
	{
		
		for(int j=n-1;j>=0;--j)
		for(int k=n;k>=j+1;--k) 
		{
		if(i<=j*(j-1)/2+1+(k-j)*(k-j-1)/2+(n-k)*(n-k-1)/2||1>=2) dp[j][k]=(1ll*(j?dp[j-1][k-1]:0)+(k==n?dp[j][n]:0)+s[j+1][k])%mod;//有上限!!
		else 
		{
		dp[j][k]=0;
//	dp[j][k]=(1ll*(j?dp[j-1][k-1]:0)+(k==n?dp[j][n]:0)+s[j+1][k])%mod;
		if(i==2&&dp[j][k]) printf("(%d,%d)\n",j,k);
	    }
	    }
		for(int k=1;k<=n;++k)
	    for(int j=n-1;j>=0;--j)
	    s[j][k]=(s[j+1][k]+dp[j][k])%mod;
	    int res=0;
	    for(int k=1;k<=n;++k) res=(res+s[0][k])%mod;
	    printf("%d ",(res+mod)%mod);
	}
	printf("\n");
	return ;
}
int main()
{
	//freopen("Salaj.in","r",stdin);
//	freopen("Salaj.out","w",stdout);
	int T=read();
	while(T--)
	{
		solve();
	}
	//fclose(stdin);
	//fclose(stdout);
	return 0;
}

Details

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Test #1:

score: 0
Wrong Answer
time: 2ms
memory: 3468kb

input:

2
5 10 666013
6 9 10

output:

1 2 4 6 10 18 29 29 29 29 
1 2 4 9 1 2 9 0 4 

result:

wrong answer 4th numbers differ - expected: '9', found: '6'