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最新推荐文章于 2025-06-07 10:35:55 发布

持续学习刻意练习

最新推荐文章于 2025-06-07 10:35:55 发布

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本文提供了一个使用C++绘制矩形的代码示例，详细解释了如何通过输入宽度和高度来绘制矩形，并在每组输入后输出空白行。

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1.题目：

Problem Description

Give you the width and height of the rectangle,darw it.

Input

Input contains a number of test cases.For each case ,there are two numbers n and m (0 < n,m < 75)indicate the width and height of the rectangle.Iuput ends of EOF.

Output

For each case,you should draw a rectangle with the width and height giving in the input.after each case, you should a blank line.

Sample Input

3 2

Sample Output

+---+
|   |
|   |
+---+

2.参考代码：

#include <iostream>
using namespace std;

int main()
{
    int w, h, i, j, num = 0;

    while (cin >> w >> h) {
        
        for (i = 0; i < h + 2; i++) {
            for (j = 0; j < w + 2; j++) {
                if ((i == 0 && (j == 0 || j == w + 1)) || (i == h + 1 && (j == 0 || j == w + 1)))
                    cout << '+';
                else if (i == 0 || i == h + 1) {
                    //  for(k=0;k<w/2;k++)   ///这句话不要加，不然会WA
                    cout << '-';
                } else if (j == 0 || j == w + 1) {
                    //for(k=0;k<h/2;k++)   ///这句话不要加，不然会WA
                    cout << '|';
                } else
                    cout << ' ';
            }
    
            cout << endl;
        }
        cout << endl;
    }

    return 0;
}