Submission

Score: 100

User: chypnx

Problemset: ตัวอักษรตัวแรกในคำ

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-04 08:40:22

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

int main(){
    string txt;
    cin >> txt;

    sort(txt.begin(),txt.end());

    for(int i = 0; i< txt.length(); i++){
       char c = txt[i];
       int co = count(txt.begin(),txt.end(),c);
       if(co==1){
            cout << txt[i];
            break;
       }
    }

 return 0;
}