Submission

Score: 30

User: Chayatoeyy

Problemset: ตัวอักษรตัวแรกในคำ

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-06 13:51:37

#include<bits/stdc++.h>
using namespace std;
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    string s;
    cin>>s;
    char ans;
    for(auto st:s){
        ans=st;
        int cnt=0;
        for(auto check:s){
            if(check==ans){
                cnt++;
            }
        }
        if(cnt==1){
            cout << ans;
            break;
        }
    }
}