菜

#include<iostream>
using namespace std;
int main(){
int n;
cin>>n;
for(int i=1;i<=n;i++){
for(int k=1;k<=n-i;k++){
cout<<" ";
}
for(int j=1;j<=2i-1;j++){
if(j1 or j2i-1){
cout<<'*';
}else{
cout<<" ";
}

	}
	cout<<endl;
}

for(int i=n-1;i>=1;i--){
	for(int k=1;k<=n-i;k++){
		cout<<" ";
	} 
	for(int j=1;j<=2*i-1;j++){
		if(j==1 or j==2*i-1){
			cout<<'*';
		}else{
			cout<<" ";
		}
	}
	cout<<endl;
}


return 0;

}