C program to print the following design

#include<stdio.h>
#include<conio.h>

void main()
{
int i,j,k,n;
clrscr(); //to clear the screen
printf(“How many lines?”);
scanf(“%d”,&n);
n*=2;

for(i=0;i<n;i+=2)
{
for(j=n-2;j>i;j-=2)
printf(” “);
for(k=0;k<=i;++k)
printf(“*”);
printf(“n”);
}

for(i=0;i<n;i+=2)
{
for(j=0;j<i;j+=2)
printf(” “);
for(k=n-1;k>i;–k)
printf(“*”);
printf(“n”);
}
getch(); //to stop the screen
}