{
 "cells": [
  {
   "cell_type": "markdown",
   "id": "7a0fe5ac-dd3e-456a-aafa-196373f0e70e",
   "metadata": {},
   "source": [
    "# Quicksort Implementation\n",
    "\n",
    "The quicksort implementation is very straightforward! The whole thing is below."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "id": "acd168ed-b77b-4717-87f9-352f990c86a0",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "[52, 42, 87, 15, 83, 66, 60, 40, 70, 14]\n"
     ]
    }
   ],
   "source": [
    "import random\n",
    "\n",
    "N = 10\n",
    "array = [random.randint(0,100) for _ in range(N)]\n",
    "print(array)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "7691bb19-fd38-4279-9ac1-d93ea8b35c2e",
   "metadata": {},
   "outputs": [],
   "source": [
    "def partition(A, start, end):\n",
    "    pivot = A[end-1]\n",
    "    i = start\n",
    "    for j in range(start, end-1):\n",
    "        if A[j] < pivot:\n",
    "            A[i], A[j] = A[j], A[i]\n",
    "            i += 1\n",
    "    A[i], A[end-1] = A[end-1], A[i]\n",
    "    return i\n",
    "\n",
    "def quicksort(A, start, end):\n",
    "    if start>=end:\n",
    "        return\n",
    "    pivot = partition(A, start, end)\n",
    "    quicksort(A, start, pivot)\n",
    "    quicksort(A, pivot+1, end)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "34267ff3-22d3-4fdb-bcd5-4c5dea3d6004",
   "metadata": {},
   "outputs": [],
   "source": [
    "quicksort(array, 0, len(array))\n",
    "print(array)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "89842da8-0244-4e92-9b68-49b4ec38d4e0",
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
 "metadata": {
  "kernelspec": {
   "display_name": "Python 3 (ipykernel)",
   "language": "python",
   "name": "python3"
  },
  "language_info": {
   "codemirror_mode": {
    "name": "ipython",
    "version": 3
   },
   "file_extension": ".py",
   "mimetype": "text/x-python",
   "name": "python",
   "nbconvert_exporter": "python",
   "pygments_lexer": "ipython3",
   "version": "3.13.5"
  }
 },
 "nbformat": 4,
 "nbformat_minor": 5
}