oj.uz

답안 #96679

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
96679 2019-02-10T19:40:21 Z Rouge_Hugo Mate (COCI18_mate) C++14
80 / 100
 2000 ms 6520 KB 
#include <bits/stdc++.h>
using namespace std;
const int mod =1e9+7;
int dp[2003][28][28];
int main()
{
	string s;cin>>s;
	int n=s.size();
		
	for(int i=0;i<n;i++)
	{
		for(int j=n;j>2;j--)
		{
			for(int u=1;u<=26;u++)
			{
				for(int h=1;h<27;h++)
				{
					dp[j][u][s[i]-'0'-48]+=dp[j-1][h][u]%mod;
					dp[j][u][s[i]-'0'-48]%=mod;
				}	
			}
		}
	for(int j=1;j<=26;j++)
	{
		dp[2][j][s[i]-'0'-48]+=dp[1][0][j];
		dp[2][j][s[i]-'0'-48]%=mod;
	}
		dp[1][0][s[i]-'0'-48]++;
	}
	char c,c1;
	int x;
	int q;cin>>q;
	while (q--)
	{
		cin>>x;
		cin>>c>>c1;
		cout<<dp[x][c-'0'-48][c1-'0'-48]%mod<<endl;
	}

 return 0;

}

Subtask #1
80.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Correct 77 ms 632 KB Output is correct
2 Correct 51 ms 632 KB Output is correct
3 Correct 62 ms 632 KB Output is correct
4 Correct 69 ms 760 KB Output is correct
5 Correct 407 ms 2716 KB Output is correct
6 Correct 427 ms 3064 KB Output is correct
7 Correct 378 ms 2552 KB Output is correct
8 Correct 367 ms 2276 KB Output is correct
9 Execution timed out 2068 ms 6520 KB Time limit exceeded
10 Execution timed out 2069 ms 6392 KB Time limit exceeded