Submission

Score: 100

User: bananakung

Problemset: ตัวอักษรตัวแรกในคำ

Language: cpp

Time: 0.003 second

Submitted On: 2025-10-14 18:37:15

#include<iostream>
using namespace std;
int cha[27];
int main()
{
	string w;
	cin>>w;
	for(int i=0;i<w.length();i++)
	{
		cha[w[i]-64]++;
	}
	for(int i=1;i<=26;i++)
	{
		if(cha[i]==1)
		{
			int a=i+64;
			cout<<(char)a;
			break;
		}
	}
	
}