Submission #96767

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
96767	2019-02-11T19:39:01 Z	Rouge_Hugo	Mate (COCI18_mate)	C++14	100 / 100	1557 ms	22008 KB

mate

#include <bits/stdc++.h>
using namespace std;
const int mod =1e9+7;
long long  dp[2003][28][28],r[2003][27];
int main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cout.tie (NULL);
	string s;cin>>s;
	int n=s.size();
		long long sum=0;
	for(int i=0;i<n;i++)
	{
		for(int j=n;j>1;j--)
		{
			sum=0;
			for(int u=1;u<27;u++)
			{
				dp[j][u][s[i]-'0'-48]+=r[j-1][u]%mod;
				sum+=r[j-1][u]%mod;
			}
			r[j][s[i]-'0'-48]+=sum%mod;
			r[j][s[i]-'0'-48]%=mod;
		}
	r[1][s[i]-'0'-48]+=1;
	}
	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

100.0 / 100.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	44 ms	888 KB	Output is correct
2	Correct	29 ms	760 KB	Output is correct
3	Correct	31 ms	760 KB	Output is correct
4	Correct	51 ms	888 KB	Output is correct
5	Correct	184 ms	3320 KB	Output is correct
6	Correct	219 ms	3524 KB	Output is correct
7	Correct	168 ms	3192 KB	Output is correct
8	Correct	150 ms	2936 KB	Output is correct
9	Correct	1557 ms	21908 KB	Output is correct
10	Correct	1517 ms	22008 KB	Output is correct