0 and 1 Triangle

Q. Write a C program to print the following 0 and 1 number triangle:

1
01
010
1010
10101

Ans.

/*c 0 and 1 number triangle program*/
#include<stdio.h>
int main()
{
 int r,c,num,v1=1;
 printf("Enter number : ");
 scanf("%d", &num);
 for(r=1; r<=num; r++)
 {
  for(c=1; c<=r; c++)
  {
    printf("%d",v1);
    if(v1==1)
       v1=0;
    else
       v1=1;
  }
  printf("\n");
 }
 getch();
 return 0;
}

The output of above program would be:

Output of 0 and 1 Number Triangle C program
Figure: Screen shot for 0 and 1 number triangle C porgram


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