Submission #879715

#	Time	Username	Problem	Language	Result	Execution time	Memory
879715		1075508020060209tc	Programiranje (COCI17_programiranje)	C++14	80 / 80	104 ms	13240 KiB

programiranje

//#pragma gcc optimize("O2")
#include <bits/stdc++.h>
//#include<complex>
using namespace std;
#define int long long
int n;
string s;
int ps[29][200005];

signed main(){
cin>>s;
n=s.size();
s="*"+s;
for(int i=1;i<=n;i++){
    for(int c=0;c<=28;c++){
        ps[c][i]=ps[c][i-1];
    }
    ps[s[i]-'a'][i]++;
}
int Q;
cin>>Q;
while(Q--){
    int a;int b;int l;int r;
    cin>>a>>b>>l>>r;
    if(b-a!=r-l){
        cout<<"NE\n";
        continue;
    }
    int ok=1;
    for(int i=0;i<=28;i++){
        if(ps[i][b]-ps[i][a-1]!=ps[i][r]-ps[i][l-1]){
           ok=0;break;
        }
    }
    if(ok){
        cout<<"DA\n";
    }else{
        cout<<"NE\n";
    }
}

}

• Subtask 1: 80 / 80