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Code SaysC code. C code run. Run code run…please!HomeCracking the Coding InterviewCodilityJobdu OJLeetCodeAbout MeStackOverflow ProfileLinkedIn ProfileContact MeSolution to Find Peak Element by LeetCode December 26, 2014 Sheng LeetCode, Python, 0 Question: https://oj.leetcode.com/problems/find-peak-element/ Question Name: Find Peak Element The key point is: return the index to ANY ONE of the peaks. So O(logN) is possible. Solution to Find Peak Element by LeetCodePythonclass Solution:# @param num, a list of integer# @base, the base index for tail recursion.# @return an integerdef findPeakElement(self, num, base = 0):# Refer to www.geeksforgeeks.org/find-a-peak-in-a-given-array/# Because num[-1] = num[n] = negative infinity, if there is only# one element in the list, it is a peak.if len(num) == 1: return base# If there are two two elements in the list, the greater one is# the peak.if len(num) == 2:if num[0] > num[1]: return baseelse: return base + 1mid = (len(num) - 1) // 2if num[mid-1] < num[mid] and num[mid+1] < num[mid]:# The middle element is a peak.return mid + baseelif num[mid] < num[mid-1]:# There must be one or more peak(s) in the left part.return self.findPeakElement(num[:mid], base)else:# There must be one or more peak(s) in the right part.return self.findPeakElement(num[mid+1:], mid + 1 + base)123456789101112131415161718192021222324252627class Solution: # @param num, a list of integer # @base, the base index for tail recursion. # @return an integer def findPeakElement(self, num, base = 0): # Refer to www.geeksforgeeks.org/find-a-peak-in-a-given-array/ # Because num[-1] = num[n] = negative infinity, if there is only # one element in the list, it is a peak. if len(num) == 1: return base # If there are two two elements in the list, the greater one is # the peak. if len(num) == 2: if num[0] > num[1]: return base else: return base + 1 mid = (len(num) - 1) // 2 if num[mid-1] < num[mid] and num[mid+1] < num[mid]: # The middle element is a peak. return mid + base elif num[mid] < num[mid-1]: # There must be one or more peak(s) in the left part. return self.findPeakElement(num[:mid], base) else: # There must be one or more peak(s) in the right part. return self.findPeakElement(num[mid+1:], mid + 1 + base)Solution to Intersection of Two Linked Lists by LeetCode December 25, 2014 Sheng LeetCode, Python, 0 Question: https://oj.leetcode.com/problems/intersection-of-two-linked-lists/ Question Name: Intersection of Two Linked Lists Solution to Intersection of Two Linked Lists by LeetCodePython# Definition for singly-linked list.# class ListNode:# def __init__(self, x):# self.val = x# self.next = Noneclass Solution:# Get the length of the given linked list# @param ListNo
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