18.To print floyd's triangle

1

2 3

4 5 6

7 8 9 10

#include <stdio.h>

int main()

{

  int n, i,  c, a = 1;

  printf("Enter the number of rows of Floyd's triangle to print\n");

  scanf("%d", &n);

  for (i = 1; i <= n; i++)

  {

    for (c = 1; c <= i; c++)

    {

      printf("%d ",a);

      a++;

    }

    printf("\n");

  }

  return 0;

}