摘要: 描述在上一回、上上回以及上上上回里我们知道Nettle在玩《艦これ》。经过了一番苦战之后,Nettle又获得了的很多很多的船。这一天Nettle在检查自己的舰队列表:我们可以看到,船默认排序是以等级为参数。但实际上一个船的火力值和等级的关系并不大,所以会存在A船比B船等级高,但是A船火力却低于B船这... 阅读全文
posted @ 2015-04-04 16:07 neuzxy 阅读(1863) 评论(0) 推荐(0) 编辑
摘要: Given a binary tree, determine if it is a valid binary search tree (BST).Assume a BST is defined as follows:The left subtree of a node contains only n... 阅读全文
posted @ 2015-04-02 14:34 neuzxy 阅读(202) 评论(0) 推荐(0) 编辑
摘要: Given a binary tree and a sum, find all root-to-leaf paths where each path's sum equals the given sum.For example:Given the below binary tree andsum =... 阅读全文
posted @ 2015-04-02 14:27 neuzxy 阅读(187) 评论(0) 推荐(0) 编辑
摘要: Given a binary tree and a sum, determine if the tree has a root-to-leaf path such that adding up all the values along the path equals the given sum.Fo... 阅读全文
posted @ 2015-04-02 14:22 neuzxy 阅读(97) 评论(0) 推荐(0) 编辑
摘要: Given an array of integers, find two numbers such that they add up to a specific target number.The function twoSum should return indices of the two nu... 阅读全文
posted @ 2015-04-02 11:36 neuzxy 阅读(167) 评论(0) 推荐(0) 编辑
摘要: 使用Chrome发现访问google总是向香港那边跳转,估计配置文件中google网站映射的地址是www.google.com.hk,便想着改配置文件,但不知道配置文件在哪儿。找到了Chrome浏览器默认的目录C:\Users\zxy\AppData\Local\Google\Chrome,还是无处... 阅读全文
posted @ 2015-03-27 19:49 neuzxy 阅读(41264) 评论(0) 推荐(0) 编辑
摘要: Implement pow(x,n).二分法,注意n为负数的处理。class Solution {public: double power(double x, int n) { if (n == 0) return 1; ... 阅读全文
posted @ 2015-03-24 13:14 neuzxy 阅读(107) 评论(0) 推荐(0) 编辑
摘要: 总时间限制:1000ms内存限制:65536kB描述给定 n 个闭区间 [ai; bi],其中i=1,2,...,n。任意两个相邻或相交的闭区间可以合并为一个闭区间。例如,[1;2] 和 [2;3] 可以合并为 [1;3],[1;3] 和 [2;4] 可以合并为 [1;4],但是[1;2] 和 [3... 阅读全文
posted @ 2015-03-24 13:07 neuzxy 阅读(313) 评论(0) 推荐(0) 编辑
摘要: Given an array of non-negative integers, you are initially positioned at the first index of the array.Each element in the array represents your maximu... 阅读全文
posted @ 2015-02-07 19:47 neuzxy 阅读(126) 评论(0) 推荐(0) 编辑
摘要: Spiral Matrix IIGiven an integer n, generate a square matrix filled with elements from 1 to n2 in spiral order. For example,Given n = 3,You should ret... 阅读全文
posted @ 2015-02-07 16:34 neuzxy 阅读(123) 评论(0) 推荐(0) 编辑