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Given a non-empty binary search tree and a target value, find the value in the BST that is closest to the target. Note: Given target value is a floati 阅读全文
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Given n nodes labeled from 0 to n - 1 and a list of undirected edges (each edge is a pair of nodes), write a function to check whether these edges mak 阅读全文
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Given an array of scores that are non-negative integers. Player 1 picks one of the numbers from either end of the array followed by the player 2 and t 阅读全文
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We are playing the Guess Game. The game is as follows: I pick a number from 1 to n. You have to guess which number I picked. Every time you guess wron 阅读全文
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We are playing the Guess Game. The game is as follows: I pick a number from 1 to n. You have to guess which number I picked. Every time you guess wron 阅读全文
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转自： only_on_one 前天参加58集团笔试，最后的问答题有一道这样的题，事后推敲后觉得很有意思，就记录下来吧。 给定100个乒乓球，甲乙两人轮流拿，每人每次最少拿1个，最多拿6个，问有没有必胜的拿法，如有，哪方必胜？ 答：有必胜的方法，先拿的必胜。通过列举法找到规律： 从上述规律可以看出， 阅读全文
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我写的Python代码： class Solution(object): def getNumberGame(self, n, nums): m = len(nums) dp = [[0] * m for j in xrange(m)] for i in xrange(m): dp[i][i] = 阅读全文