Submission

Score: 40

User: .n0t_gloomy.

Problemset: ตัวอักษรตัวแรกในคำ

Language: cpp

Time: 0.002 second

Submitted On: 2025-09-29 22:02:20

#include <bits/stdc++.h>
using namespace std;
int main()
{
    string s;
    cin>>s;
    int n = s.length();
    vector<char> v (n);
    for (int i = 0; i < n; i++)
    {
        v[i] = s[i];
    }
    sort(v.begin(),v.end());
    char cur = v[0];
    for (int i = 1; i < n; i++)
    {
        if (v[i] != cur)
        {
            cout<<v[i];
            break;
        }
        cur = v[i];
    }
    return 0;
}