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Submission #96681

# Submission time Handle Problem Language Result Execution time Memory
96681 2019-02-10T19:43:21 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()
{
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cout.tie (NULL);
	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

# Verdict Execution time Memory Grader output
1 Correct 49 ms 632 KB Output is correct
2 Correct 47 ms 632 KB Output is correct
3 Correct 38 ms 504 KB Output is correct
4 Correct 60 ms 632 KB Output is correct
5 Correct 372 ms 1936 KB Output is correct
6 Correct 395 ms 2040 KB Output is correct
7 Correct 410 ms 1828 KB Output is correct
8 Correct 328 ms 1784 KB Output is correct
9 Execution timed out 2056 ms 6396 KB Time limit exceeded
10 Execution timed out 2061 ms 6520 KB Time limit exceeded