View Code of Problem 53

#include<bits/stdc++.h>
using namespace std;



int main() {

	int n;
	cin>>n;
	for(int i=0;i<n;i++){
		for(int j=0;j<n-i-1;j++){
			cout<<" ";
		}
		for(int j=0;j<i*2+1;j++){
			cout<<"*";
		}
		cout<<endl;
	}
	for(int i=0;i<n-1;i++){
		for(int j=0;j<i+1;j++){
			cout<<" ";
		}
		for(int j=0;j<(n-i-2)*2+1;j++){
			cout<<"*";
		}
		cout<<endl;
	}
	return 0;
}