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594. Longest Harmonious Subsequence
We define a harmonious array is an array where the difference between its maximum value and its minimum value is exactly 1. Now, given an integer arra ...
分类:其他好文   时间:2017-12-25 11:30:46    阅读次数:109
667. Beautiful Arrangement II
Given two integers n and k, you need to construct a list which contains n different positive integers ranging from 1 to n and obeys the following requ ...
分类:其他好文   时间:2017-12-24 11:27:02    阅读次数:137
洛谷P3038 [USACO11DEC]牧草种植Grass Planting
题目描述 Farmer John has N barren pastures (2 <= N <= 100,000) connected by N-1 bidirectional roads, such that there is exactly one path between any two p ...
分类:其他好文   时间:2017-12-23 23:10:48    阅读次数:218
CodeForces - 237C Primes on Interval(二分+尺取)
You've decided to carry out a survey in the theory of prime numbers. Let us remind you that a prime number is a positive integer that has exactly two ...
分类:其他好文   时间:2017-12-23 21:24:06    阅读次数:180
组件嵌套时报:Component template should contain exactly one root element. If you are using v-if on multiple elements, use v-else-if to chain them instead.
在组件嵌套的过程中,报了一个错误: 这里报错的原因是:vue的组件(模板)只能有一个根节点,即.vue文件中的<template>标签下只能有一个子元素。 因此,建议大家在写.vue组件的时候,最好在<template>下添加一个标签(比如div),在这个标签里面写我们的组件。 例如: 我这边就是用 ...
分类:其他好文   时间:2017-12-14 00:05:40    阅读次数:703
572. Subtree of Another Tree(easy)
Given two non-empty binary trees s and t, check whether tree t has exactly the same structure and node values with a subtree of s. A subtree of s is a ...
分类:其他好文   时间:2017-12-11 13:56:56    阅读次数:151
二 kafka设计原理
kafka的设计初衷是希望作为一个统一的信息收集平台,能够实时的收集反馈信息,并需要能够支撑较大的数据量,且具备良好的容错能力. 1、持久性 kafka使用文件存储消息,这就直接决定kafka在性能上严重依赖文件系统的本身特性.且无论任何OS下,对文件系统本身的优化几乎没有可能.文件缓存/直接内存映 ...
分类:其他好文   时间:2017-12-10 14:25:56    阅读次数:145
POJ 2084 Catalan
Game of Connections Time Limit: 1000MS Memory Limit: 30000K Total Submissions: 8772 Accepted: 4324 Description This is a small but ancient game. You a ...
分类:其他好文   时间:2017-12-08 14:19:01    阅读次数:166
Leetcode 310: Minimum Height Trees
For a undirected graph with tree characteristics, we can choose any node as the root. The result graph is then a rooted tree. Among all possible roote ...
分类:其他好文   时间:2017-12-07 13:16:08    阅读次数:138
LeetCode 671. Second Minimum Node In a Binary Tree
Given a non-empty special binary tree consisting of nodes with the non-negative value, where each node in this tree has exactly two or zero sub-node. ...
分类:其他好文   时间:2017-12-04 21:25:19    阅读次数:201
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