Geeksforgeeks Solution For " Print Pattern "

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Problem :- Print Pattern

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Solution :- 

#include <iostream>
using namespace std;

int main() {
int t;
cin>>t;
while(t--)
{
   int n,flag=0;
   cin>>n;
   int i=n-5;
   cout<<n<<" "<<i<<" " ;
while(i!=n)
{
    if(i>0&&flag==0)
    i-=5;
    else {i+=5;
    flag=1;}
    cout<<i<<" ";
}
cout<<endl;
}
return 0;
}

Output:-