2017年7月12日

摘要： https://leetcode.com/problems/word-ladder/#/description Given two words (beginWord and endWord), and a dictionary's word list, find the length of shor 阅读全文

posted @ 2017-07-12 17:00 Premiumlab 阅读(186) 评论(0) 推荐(0)

398. Random Pick Index

摘要： Given an array of integers with possible duplicates, randomly output the index of a given target number. You can assume that the given target number m 阅读全文

posted @ 2017-07-12 14:42 Premiumlab 阅读(125) 评论(0) 推荐(0)

334. Increasing Triplet Subsequence

摘要： https://leetcode.com/problems/increasing-triplet-subsequence/#/description Given an unsorted array return whether an increasing subsequence of length 阅读全文

posted @ 2017-07-12 14:01 Premiumlab 阅读(106) 评论(0) 推荐(0)

377. Combination Sum IV

摘要： https://leetcode.com/problems/combination-sum-iv/#/description Given an integer array with all positive numbers and no duplicates, find the number of 阅读全文

posted @ 2017-07-12 13:35 Premiumlab 阅读(119) 评论(0) 推荐(0)

102. Binary Tree Level Order Traversal

摘要： Given a binary tree, return the level order traversal of its nodes' values. (ie, from left to right, level by level). For example:Given binary tree [3 阅读全文

posted @ 2017-07-12 13:20 Premiumlab 阅读(130) 评论(0) 推荐(0)

2017年7月11日

380. Insert Delete GetRandom O(1)

摘要： https://leetcode.com/problems/insert-delete-getrandom-o1/#/description Design a data structure that supports all following operations in average O(1) 阅读全文

posted @ 2017-07-11 22:04 Premiumlab 阅读(110) 评论(0) 推荐(0)

90. Subsets II

摘要： https://leetcode.com/problems/subsets-ii/#/description Given a collection of integers that might contain duplicates, nums, return all possible subsets 阅读全文

posted @ 2017-07-11 18:39 Premiumlab 阅读(109) 评论(0) 推荐(0)

208. Implement Trie (Prefix Tree)

摘要： https://leetcode.com/problems/implement-trie-prefix-tree/#/description Implement a trie with insert, search, and startsWith methods. Note:You may assu 阅读全文

posted @ 2017-07-11 18:13 Premiumlab 阅读(111) 评论(0) 推荐(0)

33. Search in Rotated Sorted Array

摘要： https://leetcode.com/problems/search-in-rotated-sorted-array/#/description Suppose an array sorted in ascending order is rotated at some pivot unknown 阅读全文

posted @ 2017-07-11 12:01 Premiumlab 阅读(131) 评论(0) 推荐(0)

71. Simplify Path

摘要： https://leetcode.com/problems/simplify-path/#/description Given an absolute path for a file (Unix-style), simplify it. For example,path = "/home/", => 阅读全文

posted @ 2017-07-11 10:35 Premiumlab 阅读(133) 评论(0) 推荐(0)


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