Submission

Score: 30

User: Prima

Problemset: ตัวอักษรตัวแรกในคำ

Language: cpp

Time: 0.002 second

Submitted On: 2026-09-29 22:06:31

#include<iostream>
using namespace std;

int main(){
	string n;
	int f=0;
	cin >> n;
	
	for(int i=0; i<n.length(); i++){
		if ((n[f] == n[i]) && (f!=i)){
			f+=1;
			i=0;
		}
	}
	
	cout << n[f];
}