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TA的排名 73w+

leetcode55-jump game

题目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 maximum jump length at that position.Determine i

2017-08-15 23:18:14

leetcode486-Predict the Winner

题目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 then player 1 and so on. Each time a player picks

2017-07-25 20:04:38

B+树插入过程改进

B+树的定义一棵m阶的B+树需满足下列条件: (1)每个分支节点最多有m棵子树; (2)非叶根节点至少有两棵子树,其他每个分支节点至少有m/2棵子树; (3)节点的子树个数与关键字个数相等; (4)所有叶节点包含包含全部关键字及指向相应记录的指针,而且叶节点中将关键字按大小顺序排列,并且相邻叶节点按大小顺序相互链接起来; (5)所有分支节点中仅包括它的各个子节点中关键字

2017-07-19 09:43:45
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