[ADDED] Insertion Sort

pc-ch-4/insertionSort.cpp

@@ -0,0 +1,34 @@
+#include <iostream>
+using namespace std;
+
+void insertionSort(int arr[], int n)
+{
+    for (int i = 1; i < n; i++)
+    {
+        int j = i - 1;
+        int key = arr[i];
+        while (j >= 0 && arr[j] > key)
+        {
+            arr[j + 1] = arr[j];
+            j--;
+        }
+        arr[j + 1] = key;
+    }
+}
+
+void printArray(int arr[], int n)
+{
+    for (int i = 0; i < n; i++)
+    {
+        cout << arr[i] << " ";
+    }
+    cout << endl;
+}
+
+int main()
+{
+    int arr[] = {5, 3, 25, 4, 0, 34, 34, 1, 4, 4, 23, 2, 2, 3, 2};
+    int n = sizeof(arr) / sizeof(arr[0]);
+    insertionSort(arr, n);
+    printArray(arr, n);
+}