// Write a program in C to print the Floyd's Triangle. The Floyd's triangle is as below :

// 1 
// 01 
// 101
// 0101
// 10101
#include <stdio.h>

void main()
{
   int i,j,n,p,q;
   printf("Input number of rows : ");
   scanf("%d",&n);
   printf("\n");
   for(i=1;i<=n;i++)
   {
     if(i%2==0)
     { p=1;q=0;}
     else
     { p=0;q=1;}
      for(j=1;j<=i;j++)
	 if(j%2==0)
	    printf("%d",p);
	 else
	    printf("%d",q);
     printf("\n");
   }
}