微调

SoftwareDesign/Code/1-1c/main.cpp

@@ -1,42 +1,22 @@
 /*
  * @Author: iR
- * @Date: 2022-03-11 20:22:54
+ * @Date: 2022-03-15 16:47:44
  * @LastEditors: iR
- * @LastEditTime: 2022-03-12 14:13:14
+ * @LastEditTime: 2022-03-15 16:52:26
  * @FilePath: \Code\1-1c\main.cpp
  * @Description:
- *
- * Copyright (c) 2022 by iR, All Rights Reserved.
+ * @Mail: i@iridium.cyou
  */
-
 #include "../inc/matrix.hpp"
 #include <stdio.h>
 int main()
 {
-    double data[] = {1, 2, 3, 4};
-    Matrix<double> a(2, 2, data);
-    std::cout << "a" << std::endl
-              << a.at(0, 0) << " " << a.at(1, 0) << std::endl
-              << a.at(0, 1) << " " << a.at(1, 1) << std::endl;
-    std::cout << "+=" << std::endl;
-
-    Matrix<double> b(2, 2, data);
-    std::cout << "b" << std::endl
-              << b.at(0, 0) << " " << b.at(1, 0) << std::endl
-              << b.at(0, 1) << " " << b.at(1, 1) << std::endl;
-    std::cout << "Answer" << std::endl;
-
-    a += b;
-    std::cout << "a" << std::endl
-              << a.at(0, 0) << " " << a.at(1, 0) << std::endl
-              << a.at(0, 1) << " " << a.at(1, 1) << std::endl;
-
-    std::cout << "c=a+b" << std::endl;
-    Matrix<double> c = a + b;
-    std::cout << "Answer" << std::endl;
-    std::cout << "c" << std::endl
-              << c.at(0, 0) << " " << c.at(1, 0) << std::endl
-              << c.at(0, 1) << " " << c.at(1, 1) << std::endl;
-
+    int data[] = {1, 2, 3, 4};
+    Matrix<int> b;
+    Matrix<int> a(2, 2, data);
+    b = a;
+    a.at(0, 0) = 5;
+    printf("[%d,%d,%d,%d]\n", a.at(0, 0), a.at(0, 1), a.at(1, 0), a.at(1, 1));
+    printf("[%d,%d,%d,%d]", b.at(0, 0), b.at(0, 1), b.at(1, 0), b.at(1, 1));
     return 0;
-}
+}

SoftwareDesign/Code/1-1d/main.cpp

@@ -0,0 +1,42 @@
+/*
+ * @Author: iR
+ * @Date: 2022-03-11 20:22:54
+ * @LastEditors: iR
+ * @LastEditTime: 2022-03-15 17:06:14
+ * @FilePath: \Code\1-1d\main.cpp
+ * @Description:
+ *
+ * Copyright (c) 2022 by iR, All Rights Reserved.
+ */
+
+#include "../inc/matrix.hpp"
+#include <stdio.h>
+int main()
+{
+    double data[] = {6, 2, 5, 4};
+    Matrix<double> a(2, 2, data);
+    std::cout << "a" << std::endl
+              << a.at(0, 0) << " " << a.at(1, 0) << std::endl
+              << a.at(0, 1) << " " << a.at(1, 1) << std::endl;
+    std::cout << "+=" << std::endl;
+
+    Matrix<double> b(2, 2, data);
+    std::cout << "b" << std::endl
+              << b.at(0, 0) << " " << b.at(1, 0) << std::endl
+              << b.at(0, 1) << " " << b.at(1, 1) << std::endl;
+    std::cout << "Answer" << std::endl;
+
+    a += b;
+    std::cout << "a" << std::endl
+              << a.at(0, 0) << " " << a.at(1, 0) << std::endl
+              << a.at(0, 1) << " " << a.at(1, 1) << std::endl;
+
+    std::cout << "c=a+b" << std::endl;
+    Matrix<double> c = a + b;
+    std::cout << "Answer" << std::endl;
+    std::cout << "c" << std::endl
+              << c.at(0, 0) << " " << c.at(1, 0) << std::endl
+              << c.at(0, 1) << " " << c.at(1, 1) << std::endl;
+
+    return 0;
+}

SoftwareDesign/Code/1-3a/main.cpp

@@ -0,0 +1,33 @@
+/*
+ * @Author: iR
+ * @Date: 2022-03-15 07:30:23
+ * @LastEditors: iR
+ * @LastEditTime: 2022-03-15 17:05:13
+ * @FilePath: \Code\1-3a\main.cpp
+ * @Description:
+ * @Mail: i@iridium.cyou
+ */
+
+#include <iostream>
+using namespace std;
+class Parent
+{ // 基类
+public:
+    void f1() { cout << "This is parent-f1" << endl; }
+    virtual void f2() { cout << "This is parent-f2" << endl; } // 声明f2是虚函数
+} parent;
+class Child : public Parent
+{ // 派生类
+public:
+    void f1() { cout << "This is child-f1" << endl; }
+    void f2() { cout << "This is child-f2" << endl; }
+} child;
+
+int main(int argc, char *argv[])
+{
+    Parent *p = new Child; // 定义一个基类指针
+    p->f1();               // 执行哪个f1？
+    p->f2();               // 执行哪个f2？
+    delete p;
+    return 0;
+}