Add example for bubble sort

cpp/algorithms/sorting/CMakeLists.txt

@@ -18,3 +18,4 @@ project (
 add_subdirectory(merge)
 add_subdirectory(selection)
 add_subdirectory(insertion)
+add_subdirectory(bubble)

cpp/algorithms/sorting/bubble/CMakeLists.txt

@@ -0,0 +1,17 @@
+###############################################################################
+## Author: Shaun Reed                                                        ##
+## Legal: All Content (c) 2021 Shaun Reed, all rights reserved               ##
+## About: A basic CMakeLists configuration to practice bubble sort           ##
+##                                                                           ##
+## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0  ##
+###############################################################################
+
+cmake_minimum_required(VERSION 3.16)
+project(BubbleSort LANGUAGES CXX)
+
+set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
+
+add_executable(bubble-sort "bubble-sort.cpp")
+
+add_library(lib-bubble "lib-bubble.cpp")
+target_link_libraries(bubble-sort lib-bubble)

cpp/algorithms/sorting/bubble/bubble-sort.cpp

@@ -0,0 +1,37 @@
+/*#############################################################################
+## Author: Shaun Reed                                                        ##
+## Legal: All Content (c) 2021 Shaun Reed, all rights reserved               ##
+## About: An example implementation of bubble sort using a custom library    ##
+##                                                                           ##
+## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0  ##
+###############################################################################
+*/
+
+#include "lib-bubble.hpp"
+
+#include <algorithm>
+#include <vector>
+#include <random>
+#include <iostream>
+
+int main(const int argc, const char * argv[])
+{
+  srand(time(nullptr));
+  std::vector<int> array(ARRAY_LENGTH);
+  std::generate(array.begin(), array.end(), [](){ return rand() % 1000;});
+
+  auto print = [](std::vector<int> array) {
+    for (const auto &i : array) {
+      std::cout << i << ", ";
+    }
+    std::cout << std::endl;
+  };
+
+  std::cout << "Unsorted array: \n";
+  print(array);
+
+  BubbleSort(array);
+
+  std::cout << "Sorted array: \n";
+  print(array);
+}

cpp/algorithms/sorting/bubble/lib-bubble.cpp

@@ -0,0 +1,29 @@
+/*#############################################################################
+## Author: Shaun Reed                                                        ##
+## Legal: All Content (c) 2021 Shaun Reed, all rights reserved               ##
+## About: An example implementation of bubble sort using a custom library    ##
+##                                                                           ##
+## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0  ##
+###############################################################################
+*/
+
+#include "lib-bubble.hpp"
+
+#include <algorithm>
+#include <vector>
+
+void BubbleSort(std::vector<int> &array)
+{
+  // For each value within the set, starting at 0
+  for (int sortedPivot = 0; sortedPivot < array.size(); sortedPivot++) {
+    // Check every other remaining value in the set
+    for (int j = array.size() - 1; j > sortedPivot; j--) {
+      // Swap if the value at j is less than the value before it
+      if (array[j] < array[j - 1]) {
+        std::swap(array[j], array[j - 1]);
+      }
+    }
+    // Increment sortedPivot, marking the lhs portion of the set as sorted
+  }
+}
+

cpp/algorithms/sorting/bubble/lib-bubble.hpp

@@ -0,0 +1,19 @@
+/*#############################################################################
+## Author: Shaun Reed                                                        ##
+## Legal: All Content (c) 2021 Shaun Reed, all rights reserved               ##
+## About: An example implementation of bubble sort using a custom library    ##
+##                                                                           ##
+## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0  ##
+###############################################################################
+*/
+
+#ifndef LIB_BUBBLE_HPP
+#define LIB_BUBBLE_HPP
+
+#include <vector>
+
+#define ARRAY_LENGTH 10
+
+void BubbleSort(std::vector<int> &array);
+
+#endif // LIB_BUBBLE_HPP