fxPe9g - Online C++ Compiler & Debugging Tool

#include <iostream>
# include<set>
#include <string.h>
using namespace std;

int main() {


	set<char>::iterator iter;
	char m[100] ;
	cin>>m;
	cout<<strlen(m)<<endl;
	set<char> s(m,m+5);
	cout<<(s.size()==5)<<endl;

	for(iter = s.begin(); iter != s.end(); iter++)
		cout<< * iter<<" ";
		cout<<endl;
	iter=s.find(10);
	if (iter!=s.end())	s.erase(iter);
	for(iter = s.begin(); iter != s.end(); iter++)
		cout<< * iter<<" ";
		cout<<endl;


	return 0;
}