Submission

Score: 100

User: SonnyHappy108

Problemset: ตัวอักษรตัวแรกในคำ

Language: cpp

Time: 0.002 second

Submitted On: 2026-04-16 13:40:53

#include <iostream>
using namespace std;
//3
int main(){
	string a;
	cin >> a;
	short int b[26]={0};
	for(char i:a){
		b[i-'A']++;
	}
	for(short int i=0;i<26;i++){
		if(b[i]==1){
			cout << (char)(i+'A');
			return 0;
		}
	}
}