Create AllSortingAlgorithm.cpp

C++/AllSortingAlgorithm.cpp

@@ -0,0 +1,177 @@
+#include <iostream>
+#include <vector>
+
+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]);
+        }
+    }
+}
+
+void selectionSort(std::vector<int>& arr) {
+    int n = arr.size();
+    for (int i = 0; i < n - 1; ++i) {
+        int min_idx = i;
+        for (int j = i + 1; j < n; ++j) {
+            if (arr[j] < arr[min_idx])
+                min_idx = j;
+        }
+        std::swap(arr[i], arr[min_idx]);
+    }
+}
+
+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;
+    }
+}
+
+void merge(std::vector<int>& arr, int left, int mid, int right) {
+    int n1 = mid - left + 1;
+    int n2 = right - mid;
+
+    std::vector<int> left_arr(n1);
+    std::vector<int> right_arr(n2);
+
+    for (int i = 0; i < n1; ++i)
+        left_arr[i] = arr[left + i];
+    for (int j = 0; j < n2; ++j)
+        right_arr[j] = arr[mid + 1 + j];
+
+    int i = 0, j = 0, k = left;
+    while (i < n1 && j < n2) {
+        if (left_arr[i] <= right_arr[j]) {
+            arr[k] = left_arr[i];
+            ++i;
+        } else {
+            arr[k] = right_arr[j];
+            ++j;
+        }
+        ++k;
+    }
+
+    while (i < n1) {
+        arr[k] = left_arr[i];
+        ++i;
+        ++k;
+    }
+
+    while (j < n2) {
+        arr[k] = right_arr[j];
+        ++j;
+        ++k;
+    }
+}
+
+void mergeSort(std::vector<int>& arr, int left, int right) {
+    if (left < right) {
+        int mid = left + (right - left) / 2;
+
+        mergeSort(arr, left, mid);
+        mergeSort(arr, mid + 1, right);
+
+        merge(arr, left, mid, right);
+    }
+}
+
+int partition(std::vector<int>& arr, int low, int high) {
+    int pivot = arr[high];
+    int i = low - 1;
+
+    for (int j = low; j < high; ++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);
+    }
+}
+
+void radixSort(std::vector<int>& arr) {
+    int max = *std::max_element(arr.begin(), arr.end());
+
+    for (int exp = 1; max / exp > 0; exp *= 10) {
+        std::vector<int> output(arr.size());
+        std::vector<int> count(10, 0);
+
+        for (int i = 0; i < arr.size(); ++i)
+            count[(arr[i] / exp) % 10]++;
+
+        for (int i = 1; i < 10; ++i)
+            count[i] += count[i - 1];
+
+        for (int i = arr.size() - 1; i >= 0; --i) {
+            output[count[(arr[i] / exp) % 10] - 1] = arr[i];
+            count[(arr[i] / exp) % 10]--;
+        }
+
+        for (int i = 0; i < arr.size(); ++i)
+            arr[i] = output[i];
+    }
+}
+
+void printArray(const std::vector<int>& arr) {
+    for (int value : arr)
+        std::cout << value << " ";
+    std::cout << "\n";
+}
+
+int main() {
+    std::vector<int> arr = {64, 34, 25, 12, 22, 11, 90};
+
+    std::cout << "Original array: ";
+    printArray(arr);
+
+    // Bubble Sort
+    bubbleSort(arr);
+    std::cout << "Array after Bubble Sort: ";
+    printArray(arr);
+
+    // Selection Sort
+    selectionSort(arr);
+    std::cout << "Array after Selection Sort: ";
+    printArray(arr);
+
+    // Insertion Sort
+    insertionSort(arr);
+    std::cout << "Array after Insertion Sort: ";
+    printArray(arr);
+
+    // Merge Sort
+    mergeSort(arr, 0, arr.size() - 1);
+    std::cout << "Array after Merge Sort: ";
+    printArray(arr);
+
+    // Quick Sort
+    quickSort(arr, 0, arr.size() - 1);
+    std::cout << "Array after Quick Sort: ";
+    printArray(arr);
+
+    // Radix Sort
+    radixSort(arr);
+    std::cout << "Array after Radix Sort: ";
+    printArray(arr);
+
+    return 0;
+}