Program to print set of all divisors of a number.

#include<iostream>
#include<cmath>
#include<vector>
using namespace std;
int main()
{
int a;
cout<<”Enter the value of N:”;
cin>>a;
vector<int> d;
for(int i=1;i<(int)sqrt(a)+1;i++){
if(a%i==0){
d.push_back(i);
d.push_back(a/i);
}
}
cout<<”{ “;
for(int s:d){
cout<<s<<”,”;
}
cout<<”\b”;
cout<<” }\n”;
return 0;
}