Submission

Score: 100

User: YourLocalZ

Problemset: ตัวอักษรตัวแรกในคำ

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-10 12:00:51

#include <iostream>
#include <string>
#include <queue>
using namespace std;

int main()
{
    int c[26]={0};
    string x;
    cin >> x;
    for(int i=0;i<size(x);i++)
    {
        c[x[i]-'A']++;
    }
    for(int i=0;i<26;i++)
    {
        if(c[i]==1)
        {
            cout << char(i+'A');
            break;
        }
    }
}