Write a program to print Floyd’s triangle using c language

 Write a  program to print Floyd’s triangle using c language

    #include<stdio.h>

int main()
{

  int i,j,r,k=1;

  printf("Enter the range: ");
  scanf("%d",&r);

  printf("Floyd’s triangle\n");
  for(i=1;i<=r;i++)
{
      for(j=1;j<=i;j++,k++)
           printf(" %d",k);
      printf("\n");
  }

  return 0;
}

Sample output:
Enter the range: 10
Floyd’s triangle

 1
 2 3
 4 5 6
 7 8 9 10
 11 12 13 14 15
 16 17 18 19 20 21
 22 23 24 25 26 27 28
 29 30 31 32 33 34 35 36
 37 38 39 40 41 42 43 44 45
 46 47 48 49 50 51 52 53 54 55