Submission

Score: 0

User: tha_smith

Problemset: เรียงสตริง

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-12 13:26:42

#include <iostream>
#include <set>
using namespace std;

int main() {
	set<char> s;
	char ss[30];
	cin >> ss;	
	for(int i=0; ss[i]!='\0' && i<30; i++) {
		int n = ss[i];
		if((n>=65 && n<=90) || (n>=97 && n<=122)) {
			s.insert(ss[i]);
		}
	}
	for(char ch : s) {
		cout << ch << " ";
	}
}