01 2017 档案

Binary Tree Zigzag Level Order Traversal
摘要：Given a binary tree, return the zigzag level order traversal of its nodes' values. (ie, from left to right, then right to left for the next level and 阅读全文
posted @ 2017-01-25 22:38 WillWu 阅读(111) 评论(0) 推荐(0)
Spiral Matrix II
摘要：Given an integer n, generate a square matrix filled with elements from 1 to n2 in spiral order. For example,Given n = 3, You should return the followi 阅读全文
posted @ 2017-01-24 20:55 WillWu 阅读(149) 评论(0) 推荐(0)
Merge Sorted Array
摘要：Given two sorted integer arrays nums1 and nums2, merge nums2 into nums1 as one sorted array. Note:You may assume that nums1 has enough space (size tha 阅读全文
posted @ 2017-01-05 22:34 WillWu 阅读(116) 评论(0) 推荐(0)
Subsets II
摘要：Given a collection of integers that might contain duplicates, nums, return all possible subsets. Note: The solution set must not contain duplicate sub 阅读全文
posted @ 2017-01-05 21:09 WillWu 阅读(125) 评论(0) 推荐(0)
Subsets
摘要：Given a set of distinct integers, nums, return all possible subsets. Note: The solution set must not contain duplicate subsets. For example,If nums =  阅读全文
posted @ 2017-01-05 10:52 WillWu 阅读(142) 评论(0) 推荐(0)
Combinations
摘要：Given two integers n and k, return all possible combinations of k numbers out of 1 ... n. For example,If n = 4 and k = 2, a solution is: 分析： 组合的实现，之前实 阅读全文
posted @ 2017-01-04 23:01 WillWu 阅读(124) 评论(0) 推荐(0)
Word Search
摘要：Given a 2D board and a word, find if the word exists in the grid. The word can be constructed from letters of sequentially adjacent cell, where "adjac 阅读全文
posted @ 2017-01-04 21:18 WillWu 阅读(209) 评论(0) 推荐(0)