2016年5月2日
107. Binary Tree Level Order Traversal II Java Solutions
摘要： Given a binary tree, return the bottom-up level order traversal of its nodes' values. (ie, from left to right, level by level from leaf to root). For 阅读全文
posted @ 2016-05-02 17:02 Miller1991 阅读(131) 评论(0) 推荐(0)
102. Binary Tree Level Order Traversal Java Solutions
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 { 阅读全文
posted @ 2016-05-02 16:56 Miller1991 阅读(185) 评论(0) 推荐(0)
2016年5月1日
110. Balanced Binary Tree Java Solutions
摘要： Given a binary tree, determine if it is height-balanced. For this problem, a height-balanced binary tree is defined as a binary tree in which the dept 阅读全文
posted @ 2016-05-01 17:41 Miller1991 阅读(138) 评论(0) 推荐(0)
344. Reverse String Java Solutions
摘要： Write a function that takes a string as input and returns the string reversed. Example: Given s = "hello", return "olleh". Subscribe to see which comp 阅读全文
posted @ 2016-05-01 17:15 Miller1991 阅读(147) 评论(0) 推荐(0)
198. House Robber Java Solutions
摘要： You are a professional robber planning to rob houses along a street. Each house has a certain amount of money stashed, the only constraint stopping yo 阅读全文
posted @ 2016-05-01 16:58 Miller1991 阅读(133) 评论(0) 推荐(0)
345. Reverse Vowels of a String Java Solutions
摘要： Write a function that takes a string as input and reverse only the vowels of a string. Example 1: Given s = "hello", return "holle". Example 2: Given 阅读全文
posted @ 2016-05-01 16:16 Miller1991 阅读(240) 评论(0) 推荐(0)
2016年4月22日
24. Swap Nodes in Pairs Java solutions
摘要： Given a linked list, swap every two adjacent nodes and return its head. For example,Given 1->2->3->4, you should return the list as 2->1->4->3. Your a 阅读全文
posted @ 2016-04-22 11:33 Miller1991 阅读(150) 评论(0) 推荐(0)
121. Best Time to Buy and Sell Stock Java Solutions
摘要： Say you have an array for which the ith element is the price of a given stock on day i. If you were only permitted to complete at most one transaction 阅读全文
posted @ 2016-04-22 11:11 Miller1991 阅读(138) 评论(0) 推荐(0)
2016年4月21日
231. Power of Two java solutions
摘要： Given an integer, write a function to determine if it is a power of two. Credits:Special thanks to @jianchao.li.fighter for adding this problem and cr 阅读全文
posted @ 2016-04-21 15:20 Miller1991 阅读(121) 评论(0) 推荐(0)
21. Merge Two Sorted Lists Java solutions
摘要： Merge two sorted linked lists and return it as a new list. The new list should be made by splicing together the nodes of the first two lists. Subscrib 阅读全文
posted @ 2016-04-21 15:15 Miller1991 阅读(195) 评论(0) 推荐(0)