Submission

Score: 100

User: faofao

Problemset: ตัวอักษรตัวแรกในคำ

Language: cpp

Time: 0.003 second

Submitted On: 2026-08-17 19:48:08

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

int main(){
    ios::sync_with_stdio(0),cin.tie(0);
    string s ;cin>>s;
    for(char c='A';c<='Z';c++){
        int cnt=0;
        for(auto kv : s){
            if(kv==c)cnt++;
        }
        if(cnt==1){
            cout << c ;
            return 0;
        }
    }
}