OUTPUT (If line no=4) 1 0 1 1 0 1 0 1 0 1(1st line =1 digit, 2nd line = 2 digit.....)

#include<conio.h>

#include<stdio.h>

void main()

{

    clrscr();

    int i,j,k,n;

    printf("Enter line  number:");

    scanf("%d",&n);

    for(i=1;i<=n;i++)

    {if(i%2!=0)

    {for(j=1;j<=i;j++)

    { if(j%2==0)

    { printf(" 0");}

    else

    {printf(" 1");}}}

     else if(i%2==0)

     {for(j=1;j<=i;j++)

    { if(j%2==0)

    { printf(" 1");}

    else

    {printf(" 0");}}}

    printf("\n");}

    getch();

                      }