Submission

Status:

PPPPPPPPPP

Subtask/Task Score:

100/100

Score: 100

User: Some1258

Problemset: ตัวอักษรตัวแรกในคำ

Language: cpp

Time: 0.002 second

Submitted On: 2026-07-20 09:07:39

#include<bits/stdc++.h>
using namespace std;
int main(){
    string x;
    cin>>x;
    int cnt[26]={0};
    for(char ch:x){
        cnt[ch-'A']++;
    }
    for(int i=0;i<26;i++){
        if(cnt[i]==1){
            cout<<char('A'+i);
            break;
        }
    }

}