Initial commit, solve Lab1 Slide11

Lab1/README.md

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+# CCIoT Homework Lab 1
+
+## Slide 11
+
+### Problem
+
+```cpp
+class Human
+{
+public:
+    Human();
+    ~Human();
+    std::string name;
+    int age;
+};
+```
+
+Try this:
+
+1. Create 4 humans.
+2. Give them names and ages.
+3. Retrieve the data from all humans and print it to the screen.
+4. Print the data for the youngest human.
+5. Print all humans’ names in descending order by their names.
+
+### Solution
+
+See [slide11.cpp](./slide11.cpp).

Lab1/slide11.cpp

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+// For std::string
+#include <string>
+// For std::cout
+#include <iostream>
+// For std::sort
+#include <algorithm>
+
+class Human
+{
+public:
+    Human();
+    ~Human();
+    std::string name;
+    int age;
+};
+
+// Implementation
+Human::Human() : name{}, age{} {}
+Human::~Human() {}
+
+int main() {
+	// 1. Create 4 humans
+	Human humans[4];
+
+	// 2. Give them names and ages.
+	humans[0].name = "Joe";
+	humans[0].age = 18;
+	humans[1].name = "Jane";
+	humans[1].age = 19;
+	humans[2].name = "Jim";
+	humans[2].age = 20;
+	humans[3].name = "John";
+	humans[3].age = 21;
+
+	// 3. Retrieve the data from all humans 
+	//    and print it to the screen.
+	for (int i = 0; i < 4; i++) {
+		std::cout 
+			<< "name=" << humans[i].name 
+			<< ", age=" << humans[i].age 
+			<< std::endl;
+	}
+
+	// 4. Print the data for the youngest
+	//    human.
+	Human& youngest = humans[0];
+	for (int i = 1; i < 4; i++) {
+		if (humans[i].age < youngest.age) {
+			youngest = humans[i];
+		}
+	}
+	std::cout 
+		<< "Youngest:"
+		<< " name=" << youngest.name
+		<< ", age=" << youngest.age
+		<< std::endl;
+
+	// 5. Print all humans' names in
+	//    descending order by their
+	//    names.
+	std::sort(humans, humans + 4, [](const Human &h1, const Human &h2) { 
+		return h1.name <= h2.name;
+	});
+	for (int i = 0; i < 4; i++) {
+		std::cout << humans[i].name << ", ";
+	}
+	std::cout << std::endl;
+
+	return 0;
+}

README.md

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+# CCIoT Homework
+
+- [Lab1](./Lab1/)