To print Floyd’s triangle in C language

void main()
{

  int i,j,num;
  int k=1;

  printf("Enter the value of range ==  ");
  scanf("%d",&num);

  printf("FLOYD's Triangle\n");
  for(i=1;i<=num;i++)
  {
      for(j=1;j<=i;j++,k++)
      {
           printf(" %d",k);
      }
      printf("\n");
  }

  getche();
}