Submission #2240801

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;
typedef long long int llint;

int main(){
	int len, i, j;
	string s;
	cin>>s;
	len=s.length();
	for(i=0; i<len; i++){
		for(j=0; j<len; j++){
			if(s[i]==s[j] && i!=j) {
				cout<<"no"<<endl;
				return 0;
			}
		}
	}
	cout<<"yes"<<endl;
	return 0;
}

Submission Info

Judge Result