zig_zag_pattern.cpp

#include<iostream>
using namespace std;

int main()
{
int n;
cin>>n;

for(int i=1;i<=3;i++)
{
    for(int j=1;j<=n;j++)
    {
        if((i+j)%4==0 || (i==2 && j%2==0))
        {
            cout<<"* ";
        }
        else
        {
            cout<<"  ";  
        }
    }
    cout<<endl;
}

    return 0;
}