摘要：
Unique Paths Ⅰ A robot is located at the top-left corner of a m x n grid (marked 'Start' in the diagram below). The robot can only move either down or 阅读全文
posted @ 2018-10-02 21:47
Lin.B
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摘要：
Given a m x n grid filled with non-negative numbers, find a path from top left to bottom right which minimizes the sum of all numbers along its path. 阅读全文
posted @ 2018-10-02 17:37
Lin.B
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摘要：
A string S of lowercase letters is given. We want to partition this string into as many parts as possible so that each letter appears in at most one p 阅读全文
posted @ 2018-10-02 14:01
Lin.B
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