Submission

Score: 100

User: randomguy

Problemset: เรียงสตริง

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-10 12:46:15

#include <iostream>
#include <bits/stdc++.h>
#include <string>
#include <numeric>
#include <set>
#include <algorithm>
#define io() do { ios::sync_with_stdio(false); cin.tie(nullptr); } while(0)
using namespace std;



int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    string a;
    cin >> a;
    set<int> alp;
    for(char c:a){
        alp.insert(c);
    }
    for(char c:alp){
        cout << c;
        if(c!=char(*alp.rbegin())) cout << " ";
    }
}