Submission

Score: 0

User: bestisyis...programming

Problemset: ตัวอักษรตัวแรกในคำ

Language: cpp

Time: 0.005 second

Submitted On: 2026-10-07 16:26:31

#include <iostream>
#include <algorithm>
using namespace std;
int main(){
	string chars;
	cin >> chars;
	int a[] = {0};
	sort(chars.begin(),chars.end());
	for(int i=0;i<chars.length();i++){
		a[chars[i]]++;
	}
	for(int i=0;i<chars.length();i++){
		if(a[chars[i]]==1){
			cout << chars[i];
			return 0;
		}
	}
}