215. Kth Largest Element in an Array.ipynb

{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Find the kth largest element in an unsorted array. Note that it is the kth largest element in the sorted order, not the kth distinct element.\n",
    "\n",
    "For example,\n",
    "Given [3,2,1,5,6,4] and k = 2, return 5.\n",
    "\n",
    "Note: \n",
    "You may assume k is always valid, 1 ≤ k ≤ array's length."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "4\n"
     ]
    }
   ],
   "source": [
    "import heapq\n",
    "class Solution(object):\n",
    "    def findKthLargest(self, nums, k):\n",
    "        \"\"\"\n",
    "        :type nums: List[int]\n",
    "        :type k: int\n",
    "        :rtype: int\n",
    "        \"\"\"\n",
    "        mh=[]\n",
    "        for i in range(len(nums)):\n",
    "            heapq.heappush(mh,nums[i])\n",
    "            if len(mh) > k:\n",
    "                heapq.heappop(mh)\n",
    "        return heapq.heappop(mh)\n",
    "\n",
    "s1=Solution()\n",
    "n=[3,2,1,5,6,4]\n",
    "print(s1.findKthLargest(n,3))\n",
    "            \n",
    "        "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": []
  }
 ],
 "metadata": {
  "kernelspec": {
   "display_name": "Python 3",
   "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": "3.5.1"
  }
 },
 "nbformat": 4,
 "nbformat_minor": 0
}