Submission

Score: 100

User: boygunner

Problemset: ตัวอักษรตัวแรกในคำ

Language: cpp

Time: 0.005 second

Submitted On: 2026-10-07 12:04:09

#include<iostream>
#include<algorithm>
using namespace std;
int main(){
	string st;
	bool same;
	cin>>st;
	sort(st.begin(),st.end());
	int asi[256]={0};
	for(int i=0;i<st.length();i++) asi[st[i]]++;
	//cout<<asi['C'];
	
	for(int i=0;i<256;i++)
		if(asi[i]==1){
			cout<<(char)(i);
			break;
		}
	
}