Submission

Score: 30

User: Saizon

Problemset: ตัวอักษรตัวแรกในคำ

Language: cpp

Time: 0.004 second

Submitted On: 2026-09-23 22:13:34

#include<iostream>
using namespace std;

int main(){
    ios::sync_with_stdio(0); cin.tie(0);
    bool t = true;
    int mn = 1000;
    string n;
    char a;
    cin >> n;
    for(int i=0;i<n.size();i++){
        for(int j=i + 1;j<n.size();j++){
            if(n[j] == n[i]) t = false;
        }
        if(t && mn > int(n[i] - 'A' + 1)){
           a = n[i];
           mn = int(n[i] - 'A' + 1); 
        }
    }
    cout << a;
}