Submission #1369962

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Source Code Expand

#include<bits/stdc++.h>
using namespace std;
set<char> se;
int main(){
    string s;
    cin>>s;
    for(int i=0;i<s.length();i++){
        se.insert(s[i]);
    }
    int n=se.size();
    int now=n;
    int cont=1;
    int i=0;
    while(now>cont){
        now--;
        cont++;
        i++;
    }
    cout<<i<<endl;
    return 0;
}

Submission Info

Judge Result