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飞絮落叶雪 - 编程

我让 Ai 写了一个记账本 1149 - 回文数个数 1071 - 字符图形7-星号菱形 1140 - 亲密数对 1138 - 求无暇素数 1136 - 输出m和n范围内的完全数(完美数) 1089 - 找数字 1151-桐桐数
1011-空心六边形
Mr.He · 2024-06-21 · via 飞絮落叶雪 - 编程

1011-空心六边形.jpg

思路

  1. 将该图形分成上下两部分分别输出;
  2. 找到空格和星每一行的规律。

知识点

  1. 找规律
  2. 嵌套循环的用法

代码实现

#include <iostream>
using namespace std;

int main() {
    int n, i, j;
    cin >> n;
    //输入上半部分
    //i控制行数
    for(i = 1; i < n; i++) {
        //j输出空格
        for(j = 1; j <= n - i; j++) {
            cout << " ";
        }
        //k输出星
        for(j = 1; j <= n + 2 * (i - 1); j++) {
            if(i == 1 or j == 1 or j == n + 2 * (i - 1)) {
                cout << "*";
            } else {
                cout << " ";
            }
        }
        cout << endl;
    }
    //输入x下半部分
    //i控制行数
    for(i = n; i > 0; i--) {
        //输出空格
        for(j = 1; j <= n - i; j++) {
            cout << " ";
        }
        //输出星
        for(j = 1; j <= n + 2 * (i - 1); j++) {
            if(i == 1 or j == 1 or j == n + 2 * (i - 1)) {
                cout << "*";
            } else {
                cout << " ";
            }
        }
        cout << endl;
    }
    return 0;
}