Print Floyd's triangle using C language

C program to print Floyd's triangle:- This program prints Floyd's triangle. Number of rows of Floyd's triangle to print is entered by the user. First four rows of Floyd's triangle are as follows :-
1
2 3
4 5 6
7 8 9 10
It's clear that in Floyd's triangle nth row contains n numbers.

C programming code

#include <stdio.h>

#include<conio.h>

void main()

{

  int n, i,  c, a = 1;

  clrscr();

  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");

  }

  getch();

}