Create 沈政豪+239500225.md

homework1/沈政豪+239500225.md

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+# 第一题
+```cpp
+#include <iostream>
+using namespace std;
+
+int main() {
+    int num1, num2, choice, result;
+    cout << "请输入第一个整数：";
+    cin >> num1;
+    cout << "请输入第二个整数：";
+    cin >> num2;
+
+    cout << "请选择操作（1:加法，2:减法）：";
+    cin >> choice;
+    if (choice == 1) {
+        result = num1 + num2;
+        cout << "结果：" << num1 << " + " << num2 << " = " << result << endl;
+    } else if (choice == 2) {
+        result = num1 - num2;
+        cout << "结果：" << num1 << " - " << num2 << " = " << result << endl;
+    }
+    return 0;
+}
+
+```
+
+![屏幕截图 2024-09-28 150522](https://github.com/user-attachments/assets/00cce20f-24b5-4ebf-aebe-ea7dbc8a8700)
+
+
+# 第二题
+```cpp
+#include <iostream>
+using namespace std;
+
+int main() {
+    int num;
+
+    cout << "请输入一个整数：";
+    cin >> num;
+
+    if (num % 2 == 0) {
+        cout << num << " 是偶数。" << endl;
+    } else {
+        cout << num << " 是奇数。" << endl;
+    }
+    return 0;
+}
+
+```
+
+![屏幕截图 2024-09-28 150607](https://github.com/user-attachments/assets/64a983cb-4931-480f-95b4-90ba4ad16bdf)
+
+
+
+# 第三题
+```cpp
+#include <iostream>
+#include <cstdlib>
+#include <ctime>
+using namespace std;
+
+int main() {
+    srand(time(0));
+    int number = rand() % 10 + 1; 
+    int guess, attempts = 0;
+    cout << "我想了一个 1 到 10 之间的数字，请猜一猜：" << endl;
+    do {
+        cout << "你的猜测：";
+        cin >> guess;
+        attempts++;
+        if (guess > number) {
+            cout << "猜大了，请再试一次。" << endl;
+        } else if (guess < number) {
+            cout << "猜小了，请再试一次。" << endl;
+        }
+    } while (guess != number);
+    cout << "恭喜你，猜对了！你总共猜了 " << attempts << " 次。" << endl;
+    return 0;
+}
+
+```
+
+![屏幕截图 2024-09-28 150645](https://github.com/user-attachments/assets/8d490bb5-725d-4394-b2a7-4f048bb5624c)
+
+
+
+
+
+
+
+warframe很好玩
+
+![屏幕截图(11)](https://github.com/user-attachments/assets/633a2be0-0f53-4fad-b989-c2648bb52e79)