Answer Posted / shakil ahmed

#include<stdio.h>
#include<conio.h>
main()
{
int i, j,s,si,n;
scanf("%d",&n);
s=n-1;
si=1;

for(i=1; i<=n-1; i++)
printf(" ");
printf("*\n");

for(i=1; i<=n-1; i++)
{
for(j=1; j<=s-1; j++)
printf(" ");
s--;
printf("*");
for(j=1; j<=si; j++)
printf(" ");
si+=2;
printf("*\n");
}

s=1;
si-=4;
for(i=1; i<=n-2; i++)
{
for(j=1; j<=s; j++)
printf(" ");
s++;
printf("*");
for(j=1;j<=si;j++)
printf(" ");
si-=2;
printf("*\n");
}

for(i=1; i<=n-1; i++)
printf(" ");
printf("*\n");
}

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