Submission

Score: 100

User: ackub

Problemset: ตัวอักษรตัวแรกในคำ

Language: cpp

Time: 0.004 second

Submitted On: 2026-10-10 11:47:35

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

int main(){
    string s;
    cin>>s;

    int ar[26]={};
    for (int i=0;i<s.length();i++){
        ar[s[i]-'A']+=1;
    }for (int i=0;i<26;i++){
        if (ar[i]==1){cout<<char(i+'A');break;}
    }
}