Solution of 3rd question

#include<iostream.h>
#include<conio.h>
using namespace std;
int main()
{
    int i,j,num;
    cout<<"Enter Number : ";
    cin>>num;
    for(i=1;i<=num;i++)
    {
    for(j=1;j<=1;j++)
    {
    cout<<j<<" ";
    }
    cout<<endl;
    }
    getch();
}