Submission

Score: 100

User: Tjeez

Problemset: ตัวอักษรตัวแรกในคำ

Language: cpp

Time: 0.002 second

Submitted On: 2026-09-26 23:36:44

#include <iostream>
using namespace std;
int main(){
	string s;
	cin>>s;
	int arr[300]={0};
	for (int i=0 ; i<s.length() ; i++){
		arr[s[i]]+=1;
	}
	for (int i=0 ; i<257 ; i++){
		if(arr[i]==1){
			cout<<char(i);
			break;
		}
	}
}