Homework 3 solved.

Using cmake and a library, this might throw off the homework rating
script.

homeworks/homework_3/guessing_game/CMakeLists.txt

@@ -0,0 +1,11 @@
+cmake_minimum_required(VERSION 3.30)
+project(guess)
+
+set (CMAKE_CXX_STANDARD             11)
+set (CMAKE_CXX_STANDARD_REQUIRED    YES)
+set (CMAKE_CXX_EXTENSIONS           OFF)
+
+add_executable(${PROJECT_NAME} guessing_game.cpp)
+
+target_link_libraries(${PROJECT_NAME} myRandom)
+add_subdirectory(lib)

homeworks/homework_3/guessing_game/guessing_game.cpp

@@ -0,0 +1,50 @@
+#include <iostream>
+#include <string>
+#include "myRandom.h"
+using std::cout;
+using std::cin;
+using std::endl;
+using std::string;
+
+void printWelcomeStatement()
+{
+    cout << "Welcome to the GUESSING GAME!" << endl;
+    cout << "I will generate a number and you will guess it!" << endl;
+}
+
+int getNumber(string prompt)
+{
+    int tmpInt;
+    cout << prompt << endl;
+    cin >> tmpInt;
+    return tmpInt;
+}
+
+int main(int argc, char* argv[])
+{
+    printWelcomeStatement();
+
+    int smallest = getNumber("Please provide the smallest number:");
+    int largest = getNumber("Please provide the largest number:");
+
+    int target = randomNumber(smallest, largest);
+    cout << "I've generated a number. Try to guess it!" << endl;
+
+    int counter = 0;
+    unsigned int guess = -1;
+
+    while (guess != target) {
+        cout << "Please provide the next guess:" << endl;
+        cin >> guess;
+        counter++;
+        if (guess > target) {
+            cout << "Your number is too big. Try again!" << endl;
+        }
+        else if (guess < target) {
+            cout << "Your number is too small. Try again!" << endl;
+        }
+    }
+    cout << "You've done it! You guessed the number " << target << 
+        " in " << counter << " guesses!" << endl;
+    return 0;
+}

homeworks/homework_3/guessing_game/lib/CMakeLists.txt

@@ -0,0 +1,5 @@
+add_library(myRandom STATIC myRandom.cpp)
+
+target_include_directories(myRandom
+    INTERFACE
+    $(CMAKE_CURRENT_SOURCE_DIR))

homeworks/homework_3/guessing_game/lib/myRandom.cpp

@@ -0,0 +1,20 @@
+#include <iostream>
+#include <random>
+#include "myRandom.h"
+
+// Todo: seed once and maintain state (use a class probably)
+
+int randomNumber(int lowerBound, int upperBound)
+{
+    std::random_device random_device;
+    std::mt19937 random_engine{random_device()};
+    std::uniform_int_distribution<> distribution{lowerBound, upperBound};
+    int num = distribution(random_engine);
+    return num;
+}
+
+// int main()
+// {
+//     std::cout << randomNumber(1, 5) << std::endl;
+//     return 0;
+// }

homeworks/homework_3/guessing_game/lib/myRandom.h

@@ -0,0 +1,3 @@
+#pragma once
+
+int randomNumber(int lowerBound, int upperBound);