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摘要： Problem: Say you have an array for which the ith element is the price of a given stock on day i. Design an algorithm to find the maximum profit. You m 阅读全文

摘要： Problem: Given a non-empty string s and a dictionary wordDict containing a list of non-empty words, add spaces in s to construct a sentence where each 阅读全文

摘要： Problem: You are given K eggs, and you have access to a building with N floors from 1 to N. Each egg is identical in function, and if an egg breaks, y 阅读全文

摘要： Problem: A 2d grid map of m rows and n columns is initially filled with water. We may perform an addLand operation which turns the water at position ( 阅读全文