Other exercises 3 (uncategorized)

Title:
Title description
Print n-order solid diamond

Input description:
Input an integer n, 0 <n <= 10

Output description:
output n-order solid rhombus, occupying 2*n-1 rows

Sample input
4
sample output

Code:

#include<iostream>

using namespace std;

int main() {
    
    

	int n;
	cin >> n;
	// 上三角
	for (int i = 1; i <= n; i++) {
    
    
		for (int j = 1; j <= n - i; j++) {
    
     // 打印空格
			cout << " ";
		}
		for (int k = 1; k <= 2 * i - 1; k++) {
    
     // 打印*
			cout << "*";
		}
		for (int j = 1; j <= n - i; j++) {
    
     // 打印空格
			cout << " ";
		}
		cout << endl;
	}

	// 下三角
	for (int i = n - 1; i >= 1; i--) {
    
    
		for (int j = 1; j <= n - i; j++) {
    
    
			cout << " ";
		}
		for (int k = 1; k <= 2 * i - 1; k++) {
    
    
			cout << "*";
		}
		for (int j = 1; j <= n - i; j++) {
    
    
			cout << " ";
		}
		cout << endl;
	}

	system("pause");
	return 0;
}