From d9a440ac62a0838d19a06a8a90b6d0d1f2da0b2a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=86=B0=E6=B2=B3=E5=A1=9E=E5=B7=9D?= <2174653216@qq.com>
Date: Tue, 18 Apr 2023 12:11:49 +0000
Subject: [PATCH] =?UTF-8?q?=E7=AE=80=E6=98=93=E8=AE=A1=E7=AE=97=E5=99=A8?=
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Signed-off-by: 冰河塞川 <2174653216@qq.com>
---
 ...0\223\350\256\241\347\256\227\345\231\250" | 147 ++++++++++++++++++
 1 file changed, 147 insertions(+)
 create mode 100644 "20220237/\347\256\200\346\230\223\350\256\241\347\256\227\345\231\250"

diff --git "a/20220237/\347\256\200\346\230\223\350\256\241\347\256\227\345\231\250" "b/20220237/\347\256\200\346\230\223\350\256\241\347\256\227\345\231\250"
new file mode 100644
index 0000000..98f008a
--- /dev/null
+++ "b/20220237/\347\256\200\346\230\223\350\256\241\347\256\227\345\231\250"
@@ -0,0 +1,147 @@
+#include <iostream>
+#include <cmath>
+
+using namespace std;
+
+class Calculator
+{
+    double num1, num2, n;
+public:
+    void setNums(double n1, double n2)
+    {
+        num1 = n1;
+        num2 = n2;
+    }
+    double add()
+    {
+        return num1 + num2;
+    }
+    double subtract()
+    {
+        return num1 - num2;
+    }
+    double multiply()
+    {
+        return num1 * num2;
+    }
+    double divide()
+    {
+        if (num2 == 0) {
+            cout << "除数不能为零。" << endl;
+            return 0.0;
+        }
+        else {
+            return num1 / num2;
+        }
+    }
+    double inverse() {
+        if (num1 == 0) {
+            cout << "被除数不能为零。" << endl;
+            return 0.0;
+        }
+        else {
+            return 1.0 / num1;
+        }
+    }
+    double squareRoot() {
+        if (num1 < 0) {
+            cout << "被开方数不能为负数。" << endl;
+            return 0.0;
+        }
+        else {
+            return sqrt(num1);
+        }
+    }
+};
+
+int main() {
+    char op;
+    bool run = true;
+    double num1, num2, result, n;
+    Calculator calculator;
+    while (run) {
+        cout << "*********************欢迎使用计算机**********************" << endl << endl;
+        cout << "**************请选择要执行的操作(输入字母)***************" << endl << endl;
+        cout << "+++++++++++++++++++++++++加法输入'a'+++++++++++++++++++++" << endl << endl;
+        cout << "-------------------------减法输入's'---------------------" << endl << endl;
+        cout << "*************************乘法输入'm'*********************" << endl << endl;
+        cout << "|||||||||||||||||||||||||除法输入'd'|||||||||||||||||||||" << endl << endl;
+        cout << "---------求倒数输入'i'(以第一个输入的数来计算）----------" << endl << endl;
+        cout << "-----------开方输入'q'(以第一个输入的数来计算）----------" << endl << endl;
+        cout << "XXXXXXXXXXXXXXXXXXXXXXX输入'x'退出XXXXXXXXXXXXXXXXXXXXXXX" << endl << endl;
+        cin >> op;
+        system("cls");
+        switch (op) {
+        case 'a':
+            cout << "进行加法" << endl;
+            cout << "请输入两个数字: ";
+            cin >> num1 >> num2;
+            calculator.setNums(num1, num2);
+            result = calculator.add();
+            cout << num1 << " + " << num2 << " = " << result << endl;
+            break;
+        case 's':
+            cout << "进行减法" << endl;
+            cout << "请输入两个数字: ";
+            cin >> num1 >> num2;
+            calculator.setNums(num1, num2);
+            result = calculator.subtract();
+            cout << num1 << " - " << num2 << " = " << result << endl;
+            break;
+        case 'm':
+            cout << "进行乘法" << endl;
+            cout << "请输入两个数字: ";
+            cin >> num1 >> num2;
+            calculator.setNums(num1, num2);
+            result = calculator.multiply();
+            cout << num1 << " * " << num2 << " = " << result << endl;
+            break;
+        case 'd':
+            cout << "进行除法" << endl;
+            cout << "请输入两个数字: ";
+            cin >> num1 >> num2;
+            calculator.setNums(num1, num2);
+            result = calculator.divide();
+            if (result != 0.0) {
+                cout << num1 << " / " << num2 << " = " << result << endl;
+            }
+            break;
+        case 'i':
+            cout << "求倒" << endl;
+            cout << "请输入一个数字: ";
+            cin >> num1;
+            calculator.setNums(num1, 0);
+            result = calculator.inverse();
+            if (result != 0.0) {
+                cout << "1/" << num1 << " = " << result << endl;
+            }
+            break;
+        case 'q':
+            cout << "开方" << endl;
+            cout << "请输入一个数字: ";
+            cin >> num1;
+            calculator.setNums(num1, 0);
+            result = calculator.squareRoot();
+            if (result != 0.0) {
+                cout << "sqrt(" << num1 << ")= " << result << endl;
+            }
+            break;
+        case 'x':
+            run = false;
+            break;
+        default:
+            cout << "无效选项，请重新输入。" << endl;
+            break;
+        }
+        cout << "请按0返回菜单栏..." << endl;
+        cin >> n;
+        if (n = 8)
+        {
+            cin.ignore(); // 忽略之前的输入缓存
+            cin.get(); // 等待用户输入任意字符
+            system("cls");
+        }
+    }
+    return 0;
+}
+
-- 
Gitee