Submission

Score: 100

User: pakornhun

Problemset: ตัวอักษรตัวแรกในคำ

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-13 21:51:57

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

int main(){
    string s;
    cin>>s;
    char min='z';
    for(int i=0;i<s.size();i++){
        int cnt=count(s.begin(),s.end(),s[i]);
        if(s[i]<min && cnt==1){
            min=s[i];
        }
    }
    cout<<min;
    return 0;
}