How to create the star rectangle map

--------------------------------------------------Program-----------------------------------------------------

#include<stdio.h>
#include<conio.h>
main()
{
    int i,j,n;
    printf("Enter number of stars: ");
    scanf("%d",&n);
    for(i=1;i<=n;i++){
            for(j=1;j<=n;j++)
        printf("%c",15);
        printf("\n");
    }
    getch();
}

--------------------------------------------------Output-------------------------------------------------------

Screenshot for above pyramid