Submission

Status:

PPPPPPPPPP

Subtask/Task Score:

100/100

Score: 100

User: Peerawat

Problemset: ตัวอักษรตัวแรกในคำ

Language: cpp

Time: 0.004 second

Submitted On: 2026-10-13 19:40:40

#include <bits/stdc++.h>
using namespace std;
int main(){
    string s;
    cin >> s;

    int c[256] = {0};

    for(int i=0;i<s.size();i++){
        c[s[i]]++;
    }

    for(int i=0;i<256;i++){
        if(c[i]==1){
            cout << char(i);
            return 0;
        }
    }




}