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2D平面上，有m个人（P），n辆自行车(B)，还有空白（O）满足以下条件1.m < n. 2.不存在两个人，到同一辆自行车距离相等, 距离用abs(x1-x2) + abs(y1-y2)定义3.每个人尽量找离自己最近的自行车，一旦某辆自行车被占，其他人只能找别的自行车。例OPOBOOPOOOOOOO 阅读全文
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Given a 2D matrix matrix, find the sum of the elements inside the rectangle defined by its upper left corner (row1, col1) and lower right corner (row2 阅读全文
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Given an integer array nums, find the sum of the elements between indices i and j (i ≤ j), inclusive. Example: Given nums = [-2, 0, 3, -5, 2, -1] sumR 阅读全文
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You are given a campus map with the Google buildings, roads and Google bikes. You have to help the employee find the nearest Google bike. Campus map: 阅读全文
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What are the differences between a process and a thread? How are they similar? How can 2 threads communicate? How can 2 process communicate? Both proc 阅读全文
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Given a family tree for a few generations for the entire population and two people write a routine that will find out if they are blood related. Sibli 阅读全文
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Implement a magic directory with buildDict, and search methods. For the method buildDict, you'll be given a list of non-repetitive words to build a di 阅读全文
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You are given an integer array sorted in ascending order (may contain duplicates), you need to split them into several subsequences, where each subseq 阅读全文