import heapq

import copy

import practice

import random

from collections import defaultdict

import string

def main():

print reverseWordsInAText("I want to get a job")

class Trie(object):

yield node

#union-find algorithm implementation

class UFElement(object):

self.rank = 0

def makeSet(x):

x.parent = x

x.rank = 0

def union(x, y):

yRoot.rank += 1

def find(x):

while (x.parent != x):

x = x.parent

return x

def testTrie():

print trie.root.values()

def longestCommonSubstring(a, b):

return a[i - max_Length + 1 : i + 1]

def displayLL(head):

while head != None:

print head.data

head = head.next

def findIntersectionOfTwoLists(l1, l2):

return result

def validParentheses(string):

return True

def climbStairs(n):

return climbStairs_helper(n, {0:1, 1:1})

def climbStairs_helper(n, table):

return table[n]

def validPalidrome(string):

return True

def notValid(char):

return not char in alphabets

class FourSumRecord(object):

return self.start != obj.start and self.end != obj.end and self.start != obj.end and self.end != obj.start

def fourSum(array, k):

return result

def pow_imp(x, n):

return pow_imp(x, n / 2) * pow_imp(x, n / 2) * x

class WordLadderRecord(object):

return self.word == obj.word

def wordLadder1(start, end, dictionary):

return []

def wordLadder1_displayPath(node):

return result

def wordLadder_helper(string1, string2):

return False

class Interval(object):

return self.start - obj.start

def mergeIntervals(intervals):

return [(interval.start, interval.end) for interval in stack]

def removeElement(array, element):

return j

def insertInterval(intervals, insert):

return stack

def swapNodesInPair(head):

return head

def combinations(n, k):

return result

def combinations_helper(n, k, current):

return result

def sumRootToLeafNumbers(root):

return sumVal

def convertListToNumber(ls):

return int(num)

def search2DMatrix(matrix, target):

return search2DMatrix(cropMatrix(matrix, i, row - 1, 0, mid - 1), target) or search2DMatrix(cropMatrix(matrix, 0, i - 1, mid + 1, column - 1), target)

def cropMatrix(matrix, r1, r2, c1, c2):

return result

def findMedianOfAnArray(array):

return quickSelect(array, length / 2)

def quickSelect(array, k):

i = partition(array, low, high)

def partition(array, low, high):

return j

def addBinary(a, b):

return "".join(result)

def reverseArrayOfWordsInPlace(array):

return array

def decodeWays(s):

return c[n]

# N queens

GRID_SIZE = 4

def placeQueens(row, columns, results):

placeQueens(row + 1, columns, results)

def checkValid(columns, row1, column1):

return True

def uniquePaths(m, n):

return paths

def uniquePaths_helper(currentX, currentY, m, n, table):

return table[(currentX, currentY)]

def uniquePath_dp(m, n):

return table[(0, 0)]

def inorderSuccessor(n):

return n

def decodeWays(s):

return record[n]

def maximumSubArray(array):

return maxSum

def minimumPathSum(matrix, m, n):

print table

def bestTimeToBuyAndShareStock(array):

return (smallest[0], largest[0])

def flattenTree(root):

return root

def displayFlattenTree(root):

while (root != None):

print root.data

root = root.right

class ValueIndex(object):

return self.value - obj.value

def minimumTriangle(array):

return []

def romanToInteger(string):

return result

def exp(x, n):

return exp(x, n / 2) * exp(x, n / 2)

def palindromPartition(string):

return palindromPartitionHelper(string, 0, isPal)

def palindromPartitionHelper(string, start, isPal):

return pa

def regularExpressionMatching(s, p):

return regularExpressionMatching(s[index_s:], p[2:])

# not constant space.

def populateNextRightPointer(root):

return root

def setUpLevels(node, level):

setUpLevels(node.right, level + 1)

# with constant space

def populateNextRightPointer2(root):

leftWall = leftWall.left

# a / b

def divideTwoIntegers(a, b):

if (a < b):

return 0

return 1 + divideTwoIntegers(a - b, b)

def searchInRSA(array, k):

return searchInRSA_helper(array, k, 0, len(array) - 1)

def searchInRSA_helper(array, k, start, end):

return searchInRSA_helper(array, k, mid + 1, end)

def searchForRange(ls, target):

return (lower, upper - 1)

def stringToInteger(string):

return sign * num

def threeSum(array, val):

return result

def generateParentheses(n):

return storeSet

def strStr(text, target):

return -1

def removeDuplicatesFromSortedArray(array):

return i + 1

def sqrt(x):

return j

def pathSum(root, sumVal):

return []

def reverseInteger(integer):