C++ program to print payramids

#include <stdio.h>
#include <conio.h>
using namespace std ;
int main (  )
{
int a , x , n=71 , o=70 , y=1 , c ;
for ( x = 1 ; x <= 7 ; x++ )
{
for ( a = 65 ; a <=n ; a++ )
printf ( "%c", a) ;
if ( x == 2 )
o=70 ;
for ( c = 2 ; c < y ; c++ )
printf (" ");
for ( a = o ; a >=65 ; a-- )
printf ( "%c" , a) ;
printf ("\n");
n-- ;
o-- ;
y = y + 2 ;
}
return 0 ;
}