Submission

Score: 0

User: SUN

Problemset: เรียงสตริง

Language: cpp

Time: 0.003 second

Submitted On: 2025-09-20 18:54:47

#include <iostream>
#include <string>
#include <vector>
int main()
{
    std::string str;
    std::cin >> str;
    int n = str.size();
    std::vector<int> count(123);
    for(int i = 0; i<n; i++)
    {
        count[str[i]]+= 1;
    }
    for (int i = 0; i < 123; i++)
    {
        if(count[i] != 0)
        {
            if(count[i] > 1)
            {
                count[i] = 1;
            }
            std::cout << char(i);
        }
    
    }
}