include
#include
#include
#include
int main(){
int a;
int i,j,k;
while(1){
scanf(“%d”,&a);

for(i=1;i for(k=a;k>i;k—){
printf(“ “);
}

for(j=0;j printf(“ “);
}
printf(“\n”);

}

for(i=a+1;i>1;i—){
for(k=a+1;k>i-1;k—){
printf(“ “);
}

for(j=i;j>2;j—){
printf(“ “);
}
printf(“\n”);
}
getch();
system(“cls”);
}
return (0);
}