Submission

Score: 100

User: qwert

Problemset: ตัวอักษรตัวแรกในคำ

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-13 15:02:59

#include <iostream>
#include <string>
using namespace std;

int main()
{
	int n,b[123]={0},x;
	string a;
	
	cin>>a;
	
	x=a.length();
	
	for(int i=0; i<x; i++){
		b[a[i]-65]++;
	}
	for(int i=0; i<123; i++){
		if(b[i]==1){
			cout<<char(i+65);
			return 0;
		}
	}
	
}