Submission

Score: 100

User: ThreeDee

Problemset: ตัวอักษรตัวแรกในคำ

Language: cpp

Time: 0.003 second

Submitted On: 2025-09-25 16:19:12

#include <bits/stdc++.h>

using namespace std;

int main(){
    string a;
    int b[91]={0};
    cin>>a;
    for(int i=0; i<a.length(); i++){
        b[a[i]]++;
    }
    for(int i=65; i<91; i++){
        if(b[i]==1){
            cout<<char(i);
            return 0;
        }
	}
    return 0;
}