01 2018 档案
摘要：You have 4 cards each containing a number from 1 to 9. You need to judge whether they could operated through *, /, +, -, (, )to get the value of 24. E
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摘要：In a given integer array nums, there is always exactly one largest element. Find whether the largest element in the array is at least twice as much as
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摘要：You are asked to cut off trees in a forest for a golf event. The forest is represented as a non-negative 2D map, in this map: 0 represents the obstacl
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摘要：Nearly everyone has used the Multiplication Table. The multiplication table of size m x n is an integer matrix mat where mat[i][j] == i * j (1-indexed
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摘要：On a staircase, the i-th step has some non-negative cost cost[i] assigned (0 indexed). Once you pay the cost, you can either climb one or two steps. Y
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摘要：Given many words, words[i] has weight i. Design a class WordFilter that supports one function, WordFilter.f(String prefix, String suffix). It will ret
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摘要：There is a strange printer with the following two special requirements: The printer can only print a sequence of the same character each time. At each
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摘要：使用Ubuntu的虚拟机时如果不能主机之间进行复制粘粘，会非常非常的不方便，所以我们需要安装vmware tools，使用如下的代码（注意第二句一定要有，不然还是不能复制粘贴）：
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摘要：在使用微信官方给的添加自定义菜单的示例代码： 可能会遇到如下的错误： 原因出在小程序的链接上，官方只是给了个例子教你如何添加小程序链接到菜单栏，但是这个小程序并不是归属于你的，所以错误提示说appid没有绑定，这里的appid是小程序的，当然没有和你的绑定，所以只要将这段整个删掉就好了：
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摘要：Given a list of sorted characters letters containing only lowercase letters, and given a target letter target, find the smallest element in the list t
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摘要：There are N network nodes, labelled 1 to N. Given times, a list of travel times as directededges times[i] = (u, v, w), where u is the source node, v i
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摘要：Start from integer 1, remove any integer that contains 9 such as 9, 19, 29... So now, you will have a new integer sequence: 1, 2, 3, 4, 5, 6, 7, 8, 10
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摘要：Given a binary tree where every node has a unique value, and a target key k, find the value of the nearest leaf node to target k in the tree. Here, ne
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摘要：In a N x N grid representing a field of cherries, each cell is one of three possible integers. 0 means the cell is empty, so you can pass through; 1 m
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摘要：在配置WebDriverAgent的时候，可能会遇到如下的错误： 2018-01-04 09:53:42.759370-0600 WebDriverAgentRunner-Runner[318:13300] +[CATransaction synchronize] called within tra
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摘要：Given an array A (index starts at 1) consisting of N integers: A1, A2, ..., AN and an integer B. The integer Bdenotes that from any place (suppose the
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摘要：Given an array nums of integers, you can perform operations on the array. In each operation, you pick any nums[i] and delete it to earn nums[i] points
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