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给定一个n*m的二维整数数组，用来表示一个迷宫，数组中只包含0或1，其中0表示可以走的路，1表示不可通过的墙壁。 最初，有一个人位于左上角(1, 1)处，已知该人每次可以向上、下、左、右任意一个方向移动一个位置。 请问，该人从左上角移动至右下角(n, m)处，至少需要移动多少次。 数据保证(1, 1 阅读全文
posted @ 2021-02-18 22:21
coderJ_ONE
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Suppose that all the keys in a binary tree are distinct positive integers. Given the postorder and inorder traversal sequences, a binary tree can be u 阅读全文
posted @ 2021-02-18 21:22
coderJ_ONE
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Telefraud（电信诈骗） remains a common and persistent problem in our society. In some cases, unsuspecting victims lose their entire life savings. To stop th 阅读全文
posted @ 2021-02-18 21:14
coderJ_ONE
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Zhejiang University is about to celebrate her 122th anniversary in 2019. To prepare for the celebration, the alumni association （校友会） has gathered the 阅读全文
posted @ 2021-02-18 21:05
coderJ_ONE
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Sexy primes are pairs of primes of the form (p, p+6), so-named since "sex" is the Latin word for "six". (Quoted from http://mathworld.wolfram.com/Sexy 阅读全文
posted @ 2021-02-18 20:54
coderJ_ONE
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