Submission

Score: 100

User: eeeeeeeeee

Problemset: เรียงสตริง

Language: cpp

Time: 0.002 second

Submitted On: 2026-09-24 14:59:49

#include<iostream>
#include<vector>
using namespace std;
int main(){
	vector<int> box(256,0);
	string b;
	cin>>b;
	for(int i = 0;i<b.length();i++){
		box[b[i]] += 1;
	}
	for(int i = 0;i<256;i++){
		if(box[i]>0){
			cout<<char(i)<<" ";
		}
	}
}