Submission #1706283

---

Source Code Expand

#include <bits/stdc++.h>
using namespace std;

int main(){
    string a;
    cin>>a;
    int n=a.length();

    int res=0;
    int c[26]={0};
    for(int i=0;i<n;++i){
        c[a[i]-97]++;
    }
    for(int i=0;i<26;++i){
        if(c[i]&1)++res;
    }

    if(res==0){
        cout<<1;
    } else{
        cout << res;
    }

    return 0;
}

Submission Info

Judge Result