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06 2017 档案

• 253. Meeting Rooms II
  摘要：https://leetcode.com/problems/meeting-rooms-ii/#/solutions Given an array of meeting time intervals consisting of start and end times [[s1,e1],[s2,e2] 阅读全文
  posted @ 2017-06-25 17:02 Premiumlab 阅读(135) 评论(0) 推荐(0)
• 91. Decode Ways
  摘要：https://leetcode.com/problems/decode-ways/#/description A message containing letters from A-Z is being encoded to numbers using the following mapping: 阅读全文
  posted @ 2017-06-23 21:09 Premiumlab 阅读(171) 评论(0) 推荐(0)
• 17. Letter Combinations of a Phone Number
  摘要：https://leetcode.com/problems/letter-combinations-of-a-phone-number/#/description Given a digit string, return all possible letter combinations that t 阅读全文
  posted @ 2017-06-22 22:41 Premiumlab 阅读(166) 评论(0) 推荐(0)
• 314. Binary Tree Vertical Order Traversal
  摘要：https://leetcode.com/problems/binary-tree-vertical-order-traversal/#/description Given a binary tree, return the vertical order traversal of its nodes 阅读全文
  posted @ 2017-06-19 20:09 Premiumlab 阅读(146) 评论(0) 推荐(0)
• 311. Sparse Matrix Multiplication
  摘要：https://leetcode.com/problems/sparse-matrix-multiplication/#/description Given two sparse matrices A and B, return the result of AB. You may assume th 阅读全文
  posted @ 2017-06-18 21:10 Premiumlab 阅读(138) 评论(0) 推荐(0)
• 311. Sparse Matrix Multiplication
  摘要：https://leetcode.com/problems/sparse-matrix-multiplication/#/description Given two sparse matrices A and B, return the result of AB. You may assume th 阅读全文
  posted @ 2017-06-18 21:10 Premiumlab 阅读(131) 评论(0) 推荐(0)
• 325. Maximum Size Subarray Sum Equals k
  摘要：https://leetcode.com/problems/maximum-size-subarray-sum-equals-k/#/description Given an array nums and a target value k, find the maximum length of a 阅读全文
  posted @ 2017-06-18 09:54 Premiumlab 阅读(199) 评论(0) 推荐(0)
• 532. K-diff Pairs in an Array
  摘要：https://leetcode.com/problems/k-diff-pairs-in-an-array/#/description Given an array of integers and an integer k, you need to find the number of uniqu 阅读全文
  posted @ 2017-06-14 21:09 Premiumlab 阅读(423) 评论(0) 推荐(0)
• 459. Repeated Substring Pattern
  摘要：https://leetcode.com/problems/repeated-substring-pattern/#/description Given a non-empty string check if it can be constructed by taking a substring o 阅读全文
  posted @ 2017-06-13 22:28 Premiumlab 阅读(172) 评论(0) 推荐(0)
• 119. Pascal's Triangle II
  摘要：https://leetcode.com/problems/pascals-triangle-ii/#/solutions Given an index k, return the kth row of the Pascal's triangle. For example, given k = 3, 阅读全文
  posted @ 2017-06-12 21:15 Premiumlab 阅读(138) 评论(0) 推荐(0)
• 21. Merge Two Sorted Lists
  摘要：https://leetcode.com/problems/merge-two-sorted-lists/#/description Merge two sorted linked lists and return it as a new list. The new list should be m 阅读全文
  posted @ 2017-06-12 20:11 Premiumlab 阅读(144) 评论(0) 推荐(0)
• 141. Linked List Cycle
  摘要：https://leetcode.com/problems/linked-list-cycle/#/description Given a linked list, determine if it has a cycle in it. Follow up:Can you solve it witho 阅读全文
  posted @ 2017-06-12 15:53 Premiumlab 阅读(138) 评论(0) 推荐(0)
• 160. Intersection of Two Linked Lists
  摘要：https://leetcode.com/problems/intersection-of-two-linked-lists/#/description Write a program to find the node at which the intersection of two singly 阅读全文
  posted @ 2017-06-12 11:04 Premiumlab 阅读(149) 评论(0) 推荐(0)
• 617. Merge Two Binary Trees
  摘要：https://leetcode.com/problems/merge-two-binary-trees/#/description Given two binary trees and imagine that when you put one of them to cover the other 阅读全文
  posted @ 2017-06-12 08:25 Premiumlab 阅读(418) 评论(0) 推荐(0)
• 387. First Unique Character in a String
  摘要：https://leetcode.com/problems/first-unique-character-in-a-string/#/description Given a string, find the first non-repeating character in it and return 阅读全文
  posted @ 2017-06-11 21:46 Premiumlab 阅读(101) 评论(0) 推荐(0)
• 155. Min Stack - Unsolved
  摘要：https://leetcode.com/problems/min-stack/#/solutions Design a stack that supports push, pop, top, and retrieving the minimum element in constant time. 阅读全文
  posted @ 2017-06-10 20:56 Premiumlab 阅读(147) 评论(0) 推荐(0)
• 242. Valid Anagram
  摘要：https://leetcode.com/problems/valid-anagram/#/description Given two strings s and t, write a function to determine if t is an anagram of s. For exampl 阅读全文
  posted @ 2017-06-10 17:33 Premiumlab 阅读(134) 评论(0) 推荐(0)
• 438. Find All Anagrams in a String
  摘要：https://leetcode.com/problems/find-all-anagrams-in-a-string/#/description Given a string s and a non-empty string p, find all the start indices of p's 阅读全文
  posted @ 2017-06-10 10:45 Premiumlab 阅读(208) 评论(0) 推荐(0)
• 414. Third Maximum Number
  摘要：https://leetcode.com/problems/third-maximum-number/#/description Given a non-empty array of integers, return the third maximum number in this array. I 阅读全文
  posted @ 2017-06-09 12:45 Premiumlab 阅读(139) 评论(0) 推荐(0)
• 606. Construct String from Binary Tree
  摘要：https://leetcode.com/problems/construct-string-from-binary-tree/#/description You need to construct a string consists of parenthesis and integers from 阅读全文
  posted @ 2017-06-09 12:06 Premiumlab 阅读(110) 评论(0) 推荐(0)
• 168. Excel Sheet Column Title
  摘要：https://leetcode.com/problems/excel-sheet-column-title/#/description Given a positive integer, return its corresponding column title as appear in an E 阅读全文
  posted @ 2017-06-09 10:31 Premiumlab 阅读(147) 评论(0) 推荐(0)
• 461. Hamming Distance
  摘要：https://leetcode.com/problems/hamming-distance/#/description The Hamming distance between two integers is the number of positions at which the corresp 阅读全文
  posted @ 2017-06-08 20:30 Premiumlab 阅读(123) 评论(0) 推荐(0)
• Tree Representation Implementation & Traversal
  摘要：https://github.com/Premiumlab/Python-for-Algorithms--Data-Structures--and-Interviews/blob/master/Trees/Tree%20Representation%20Implementation%20(Lists 阅读全文
  posted @ 2017-06-08 18:40 Premiumlab 阅读(147) 评论(0) 推荐(0)
• 404. Sum of Left Leaves
  摘要：https://leetcode.com/problems/sum-of-left-leaves/#/description Find the sum of all left leaves in a given binary tree. Example: Hint: Q: How to define 阅读全文
  posted @ 2017-06-08 18:22 Premiumlab 阅读(186) 评论(0) 推荐(0)
• 572. Subtree of Another Tree
  摘要：https://leetcode.com/problems/subtree-of-another-tree/#/solutions Given two non-empty binary trees s and t, check whether tree t has exactly the same 阅读全文
  posted @ 2017-06-08 10:44 Premiumlab 阅读(101) 评论(0) 推荐(0)
• 20. Valid Parentheses
  摘要：https://leetcode.com/problems/valid-parentheses/#/description Given a string containing just the characters '(', ')', '{', '}', '[' and ']', determine 阅读全文
  posted @ 2017-06-08 10:09 Premiumlab 阅读(99) 评论(0) 推荐(0)
• Check time of different search methods
  摘要：https://github.com/Premiumlab/Python-for-Algorithms--Data-Structures--and-Interviews/blob/master/Mock%20Interviews/Ride%20Share%20Start-Up%20Company/R 阅读全文
  posted @ 2017-06-08 09:03 Premiumlab 阅读(121) 评论(0) 推荐(0)
• Binary search tree or not
  摘要：https://github.com/Premiumlab/Python-for-Algorithms--Data-Structures--and-Interviews/blob/master/Mock%20Interviews/Ride%20Share%20Start-Up%20Company/R 阅读全文
  posted @ 2017-06-08 09:01 Premiumlab 阅读(247) 评论(0) 推荐(0)
• Coin Change
  摘要：https://github.com/Premiumlab/Python-for-Algorithms--Data-Structures--and-Interviews/blob/master/Mock%20Interviews/Ride%20Share%20Start-Up%20Company/R 阅读全文
  posted @ 2017-06-08 08:59 Premiumlab 阅读(182) 评论(0) 推荐(0)
• Largest product from 3 integers
  摘要：https://github.com/Premiumlab/Python-for-Algorithms--Data-Structures--and-Interviews/blob/master/Mock%20Interviews/Ride%20Share%20Start-Up%20Company/R 阅读全文
  posted @ 2017-06-08 08:57 Premiumlab 阅读(203) 评论(0) 推荐(0)
• Fibonacci number
  摘要：https://github.com/Premiumlab/Python-for-Algorithms--Data-Structures--and-Interviews/blob/master/Mock%20Interviews/Large%20Search%20Engine%20Company%2 阅读全文
  posted @ 2017-06-08 08:56 Premiumlab 阅读(287) 评论(0) 推荐(0)
• Find the squareroot
  摘要：https://github.com/Premiumlab/Python-for-Algorithms--Data-Structures--and-Interviews/blob/master/Mock%20Interviews/Large%20Search%20Engine%20Company%2 阅读全文
  posted @ 2017-06-08 08:53 Premiumlab 阅读(280) 评论(0) 推荐(0)
• Reverse string using recursion
  摘要：On-Site Question 3 - SOLUTION Question Given a string, write a function that uses recursion to reverse it. Requirements You MUST use pen and paper or 阅读全文
  posted @ 2017-06-08 08:50 Premiumlab 阅读(175) 评论(0) 推荐(0)
• Dice 5 ==> dice 7
  摘要：https://github.com/Premiumlab/Python-for-Algorithms--Data-Structures--and-Interviews/blob/master/Mock%20Interviews/Large%20Search%20Engine%20Company%2 阅读全文
  posted @ 2017-06-08 08:48 Premiumlab 阅读(199) 评论(0) 推荐(0)
• Dice 7 ==> dice 5
  摘要：https://github.com/Premiumlab/Python-for-Algorithms--Data-Structures--and-Interviews/blob/master/Mock%20Interviews/Large%20Search%20Engine%20Company%2 阅读全文
  posted @ 2017-06-08 08:46 Premiumlab 阅读(209) 评论(0) 推荐(0)
• 100 floors 2 eggs
  摘要：https://github.com/Premiumlab/Python-for-Algorithms--Data-Structures--and-Interviews/blob/master/Mock%20Interviews/Large%20E-Commerce%20Company/E-Comm 阅读全文
  posted @ 2017-06-08 08:43 Premiumlab 阅读(207) 评论(0) 推荐(0)
• Determine overlapping rectangles
  摘要：https://github.com/Premiumlab/Python-for-Algorithms--Data-Structures--and-Interviews/blob/master/Mock%20Interviews/Large%20E-Commerce%20Company/E-Comm 阅读全文
  posted @ 2017-06-08 08:40 Premiumlab 阅读(203) 评论(0) 推荐(0)
• Product of integers
  摘要：https://github.com/Premiumlab/Python-for-Algorithms--Data-Structures--and-Interviews/blob/master/Mock%20Interviews/Large%20E-Commerce%20Company/E-Comm 阅读全文
  posted @ 2017-06-08 08:36 Premiumlab 阅读(276) 评论(0) 推荐(0)
• Maximum profit of stocks
  摘要：https://github.com/Premiumlab/Python-for-Algorithms--Data-Structures--and-Interviews/blob/master/Mock%20Interviews/Large%20E-Commerce%20Company/E-Comm 阅读全文
  posted @ 2017-06-07 18:05 Premiumlab 阅读(308) 评论(0) 推荐(0)
• 28. Implement strStr()
  摘要：https://leetcode.com/problems/implement-strstr/#/description Implement strStr(). Returns the index of the first occurrence of needle in haystack, or - 阅读全文
  posted @ 2017-06-07 18:00 Premiumlab 阅读(95) 评论(0) 推荐(0)
• 88. Merge Sorted Array
  摘要：https://leetcode.com/problems/merge-sorted-array/#/description Given two sorted integer arrays nums1 and nums2, merge nums2 into nums1 as one sorted a 阅读全文
  posted @ 2017-06-07 16:44 Premiumlab 阅读(128) 评论(0) 推荐(0)
• 234. Palindrome Linked List
  摘要：https://leetcode.com/problems/palindrome-linked-list/#/description Given a singly linked list, determine if it is a palindrome. Follow up:Could you do 阅读全文
  posted @ 2017-06-07 15:30 Premiumlab 阅读(173) 评论(0) 推荐(0)
• Remove duplicates
  摘要：https://github.com/Premiumlab/Python-for-Algorithms--Data-Structures--and-Interviews/blob/master/Mock%20Interviews/Social%20Network%20Company/Social%2 阅读全文
  posted @ 2017-06-06 21:35 Premiumlab 阅读(328) 评论(0) 推荐(0)
• Unsorted, maximum ==> sorted
  摘要：https://github.com/Premiumlab/Python-for-Algorithms--Data-Structures--and-Interviews/blob/master/Mock%20Interviews/Social%20Network%20Company/Social%2 阅读全文
  posted @ 2017-06-06 21:32 Premiumlab 阅读(135) 评论(0) 推荐(0)
• Find one unique integer
  摘要：https://github.com/Premiumlab/Python-for-Algorithms--Data-Structures--and-Interviews/blob/master/Mock%20Interviews/Social%20Network%20Company/Social%2 阅读全文
  posted @ 2017-06-06 21:29 Premiumlab 阅读(241) 评论(0) 推荐(0)
• TwoSum
  摘要：On-Site Question 1 - SOLUTION Problem Given a list of integers and a target number, write a function that returns a boolean indicating if its possible 阅读全文
  posted @ 2017-06-06 21:24 Premiumlab 阅读(134) 评论(0) 推荐(0)
• 13. Roman to Integer
  摘要：https://leetcode.com/problems/roman-to-integer/#/description Given a roman numeral, convert it to an integer. Input is guaranteed to be within the ran 阅读全文
  posted @ 2017-06-06 21:18 Premiumlab 阅读(102) 评论(0) 推荐(0)
• 38. Count and Say - Unsolved
  摘要：https://leetcode.com/problems/count-and-say/#/description The count-and-say sequence is the sequence of integers beginning as follows:1, 11, 21, 1211, 阅读全文
  posted @ 2017-06-06 20:18 Premiumlab 阅读(122) 评论(0) 推荐(0)
• 543. Diameter of Binary Tree
  摘要：https://leetcode.com/problems/diameter-of-binary-tree/#/description Given a binary tree, you need to compute the length of the diameter of the tree. T 阅读全文
  posted @ 2017-06-06 15:30 Premiumlab 阅读(143) 评论(0) 推荐(0)
• 235. Lowest Common Ancestor of a Binary Search Tree
  摘要：https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree/#/description Given a binary search tree (BST), find the lowest common an 阅读全文
  posted @ 2017-06-06 14:02 Premiumlab 阅读(138) 评论(0) 推荐(0)
• 252. Meeting Rooms
  摘要：https://leetcode.com/problems/meeting-rooms/#/description Given an array of meeting time intervals consisting of start and end times [[s1,e1],[s2,e2], 阅读全文
  posted @ 2017-06-06 10:31 Premiumlab 阅读(211) 评论(0) 推荐(0)
• 125. Valid Palindrome
  摘要：https://leetcode.com/problems/valid-palindrome/#/description Given a string, determine if it is a palindrome, considering only alphanumeric characters 阅读全文
  posted @ 2017-06-05 21:18 Premiumlab 阅读(142) 评论(0) 推荐(0)
• 206. Reverse Linked List
  摘要：https://leetcode.com/problems/reverse-linked-list/#/description Reverse a singly linked list. Hint: A linked list can be reversed either iteratively o 阅读全文
  posted @ 2017-06-04 21:02 Premiumlab 阅读(112) 评论(0) 推荐(0)
• Implement a Linked List
  摘要：https://github.com/Premiumlab/Python-for-Algorithms--Data-Structures--and-Interviews/blob/master/Linked%20Lists/Linked%20Lists%20Interview%20Problems/ 阅读全文
  posted @ 2017-06-04 19:12 Premiumlab 阅读(165) 评论(0) 推荐(0)
• 121. Best Time to Buy and Sell Stock
  摘要：https://leetcode.com/problems/best-time-to-buy-and-sell-stock/#/solutions Say you have an array for which the ith element is the price of a given stoc 阅读全文
  posted @ 2017-06-04 17:27 Premiumlab 阅读(142) 评论(0) 推荐(0)
• 157. Read N Characters Given Read4
  摘要：https://leetcode.com/problems/read-n-characters-given-read4/#/description The API: int read4(char *buf) reads 4 characters at a time from a file. The 阅读全文
  posted @ 2017-06-04 09:18 Premiumlab 阅读(178) 评论(0) 推荐(0)