Floyd's triangle

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#include<stdio.h>
#include<conio.h>
 
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");
   }
 
   getch();
   return 0;