Submission #1301611

#	Time	Username	Problem	Language	Result	Execution time	Memory
1301611		Faisal_Saqib	Programiranje (COCI17_programiranje)	C++20	80 / 80	50 ms	5660 KiB

programiranje

#include <iostream>
#include <map>
using namespace std;
const int N=5e4+1;
int pre[N][26];
int main()
{
	ios::sync_with_stdio(0);
	cout.tie(0);
	cin.tie(0);
	string s;
	cin>>s;
	int n=s.size();
	for(int i=0;i<n;i++)
	{
		for(int j=0;j<26;j++)
		{
			pre[i+1][j]=pre[i][j]+((s[i]-'a')==j);
		}
	}
	int q;
	cin>>q;
	while(q--)
	{
		int a,b,c,d;
		cin>>a>>b>>c>>d;
		bool pos=1;
		for(int j=0;j<26;j++)
		{
			if(pre[b][j]-pre[a-1][j] != pre[d][j]-pre[c-1][j])
			{
				pos=0;
			}
		}
		cout<<(pos?"DA":"NE")<<endl;
	}
}

• Subtask 1: 80 / 80