Submission

Score: 100

User: Buslnwzuz

Problemset: เรียงสตริง

Language: cpp

Time: 0.004 second

Submitted On: 2026-10-10 10:53:45

#include<iostream>
#include <algorithm>
#include <vector>
using namespace std;

int main()
{
    string a;
    cin >> a;
    int idx=0;
    vector<char> b;
    sort(a.begin(),a.end());
    for(char num:a){
        bool f = false;
        for(int i=0;i<b.size();i++){
            if(num == b[i]) f=true;
        }
        if(f) continue;
        cout << num << " ";
        b.push_back(num);
    }
    return 0;
}