Submission

Score: 100

User: code

Problemset: ตัวอักษรตัวแรกในคำ

Language: cpp

Time: 0.002 second

Submitted On: 2025-11-09 14:16:37

#include <bits/stdc++.h>
using namespace std;
int main(){
    string word;cin>>word;
    string chr[26]={"A","B","C","D","E","F","G","H","I","J","K","L","M","N","O","P","Q","R","S","T","U","V","W","X","Y","Z"};
    int n=0;
    for (int i=0;i<26;i++){
        n=word.find(chr[i]);
        if (n>=0){
            if (word.find(chr[i],n+1)==-1){
                cout<<chr[i];
                break;
            }else{
                continue;
            }
        }
    }
}