View Code of Problem 53

#include<stdio.h>
#include<iostream>
#include<cstdlib>
#include<cstdio>
#include<cstring>
#include<string>
#include<algorithm>
#include<vector>
#include<cmath>
#include<stack>
#include<map>
#include<vector>
#include<cstdbool>
using namespace std;


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