#include <iostream>
#include <vector>
#include <chrono>
#include <random>
#include <algorithm>
// Function to perform Bubble Sort
void bubbleSort(std::vector<int>& arr) {
int n = arr.size();
for (int i = 0; i < n - 1; i++) {
for (int j = 0; j < n - i - 1; j++) {
if (arr[j] > arr[j + 1]) {
std::swap(arr[j], arr[j + 1]);
}
}
}
}
// Function to perform Insertion Sort
void insertionSort(std::vector<int>& arr) {
int n = arr.size();
for (int i = 1; i < n; i++) {
int key = arr[i];
int j = i - 1;
while (j >= 0 && arr[j] > key) {
arr[j + 1] = arr[j];
j--;
}
arr[j + 1] = key;
}
}
// Function to perform Quick Sort
int partition(std::vector<int>& arr, int low, int high) {
int pivot = arr[high];
int i = (low - 1);
for (int j = low; j <= high - 1; j++) {
if (arr[j] < pivot) {
i++;
std::swap(arr[i], arr[j]);
}
}
std::swap(arr[i + 1], arr[high]);
return (i + 1);
}
void quickSort(std::vector<int>& arr, int low, int high) {
if (low < high) {
int pi = partition(arr, low, high);
quickSort(arr, low, pi - 1);
quickSort(arr, pi + 1, high);
}
}
// Function to measure execution time
template <typename Func>
double measureExecutionTime(Func func, std::vector<int>& arr) {
auto start = std::chrono::high_resolution_clock::now();
func(arr);
auto end = std::chrono::high_resolution_clock::now();
std::chrono::duration<double> duration = end - start;
return duration.count();
}
int main() {
// Define input sizes
std::vector<int> inputSizes = {100, 1000, 10000};
for (int inputSize : inputSizes) {
std::vector<int> arr(inputSize);
// Generate random data
std::random_device rd;
std::mt19937 gen(rd());
std::uniform_int_distribution<int> distribution(1, 10000);
for (int& value : arr) {
value = distribution(gen);
}
// Clone the array for each sorting algorithm
std::vector<int> bubbleArr = arr;
std::vector<int> insertionArr = arr;
std::vector<int> quickArr = arr;
// Measure execution times for each algorithm
double bubbleTime = measureExecutionTime([&](std::vector<int>& arr) { bubbleSort(arr); }, bubbleArr);
double insertionTime = measureExecutionTime([&](std::vector<int>& arr) { insertionSort(arr); }, insertionArr);
double quickTime = measureExecutionTime([&](std::vector<int>& arr) { quickSort(arr, 0, arr.size() - 1); }, quickArr);
std::cout << "Input Size: " << inputSize << std::endl;
std::cout << "Bubble Sort Execution Time: " << bubbleTime << " seconds" << std::endl;
std::cout << "Insertion Sort Execution Time: " << insertionTime << " seconds" << std::endl;
std::cout << "Quick Sort Execution Time: " << quickTime << " seconds" << std::endl;
std::cout << std::endl;
}
return 0;
}