Submission

Score: 100

User: santanaja07

Problemset: ตัวอักษรตัวแรกในคำ

Language: cpp

Time: 0.003 second

Submitted On: 2025-09-27 19:41:27

#include <bits/stdc++.h>
using namespace std;

int main() {
	string c;
	cin>>c;
	int box[300]={0};
	for(int i=0;i<c.length();i++){
		box[c[i]]++;
	}
	for(int i=0;i<300;i++){
		if(box[i]==1){
			cout<<char(i);
			break;
		}
	}
	
}