Geeksforgeeks Solution For " Number that are not divisible "

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Problem :- Number that are not divisible 

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Solution :- 

#include<iostream>
using namespace std;
int main()
 {
    int t;
    unsigned long long n,count;
    cin>>t;
    while(t--){
        cin>>n;
        count=n-(n/2)-(n/3)-(n/5)-(n/7)+(n/6)+(n/10)+(n/14)+(n/15)+(n/21)+(n/35)-(n/30)-(n/42)-(n/70)-(n/105)+(n/210);
        cout<<count<<endl;
    }
    return 0;
}

Output:-