quicksort on ipython notebook

gistfile1.ipynb

{
 "metadata": {
  "name": "quicksort"
 },
 "nbformat": 3,
 "nbformat_minor": 0,
 "worksheets": [
  {
   "cells": [
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "def qsort(m):\n",
      "    l = len(m)\n",
      "    if l <= 1:\n",
      "        return\n",
      "    p = m[0] # Pour faire simple on prend le premier \u00e9l\u00e9ment comme pivot\n",
      "    m1 = []\n",
      "    m2 = []\n",
      "    for i in m[1:]:\n",
      "        if i < p:\n",
      "            m1.append(i)\n",
      "        else:\n",
      "            m2.append(i)\n",
      "    qsort(m1)\n",
      "    qsort(m2)\n",
      "    m.clear()\n",
      "    m += m1 + [p] + m2"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 23
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "from random import *\n",
      "def randlist():\n",
      "    a = list(range(1,10))\n",
      "    shuffle(a)\n",
      "    return a"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 6
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "x = randlist()\n",
      "print(x)\n",
      "qsort(x)\n",
      "print(x)"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "[9, 5, 8, 1, 4, 2, 3, 6, 7]\n",
        "[1, 2, 3, 4, 5, 6, 7, 8, 9]\n"
       ]
      }
     ],
     "prompt_number": 22
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [],
     "language": "python",
     "metadata": {},
     "outputs": []
    }
   ],
   "metadata": {}
  }
 ]
}