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摘要： package LeetCode_455 /** * 455. Assign Cookies * https://leetcode.com/problems/assign-cookies/ * Assume you are an awesome parent and want to give you 阅读全文

摘要： /** * This problem was asked by Google. A unival tree (which stands for "universal value") is a tree where all nodes under it have the same value. Giv 阅读全文

摘要： package LeetCode_376 /** * 376. Wiggle Subsequence * https://leetcode.com/problems/wiggle-subsequence/ * A wiggle sequence is a sequence where the dif 阅读全文

摘要： package LeetCode_327 /** * 327. Count of Range Sum * https://leetcode.com/problems/count-of-range-sum/ * Given an integer array nums and two integers 阅读全文

摘要： package LeetCode_1822 /** * 1822. Sign of the Product of an Array * https://leetcode.com/problems/sign-of-the-product-of-an-array/ * * There is a func 阅读全文

摘要： package LeetCode_318 import java.util.* /** * 318. Maximum Product of Word Lengths * https://leetcode.com/problems/maximum-product-of-word-lengths/ * 阅读全文

摘要： package LeetCode_313 import java.util.* import kotlin.collections.HashSet /** * 313. Super Ugly Number * https://leetcode.com/problems/super-ugly-numb 阅读全文

摘要： package LeetCode_304 /** * 304. Range Sum Query 2D - Immutable * https://leetcode.com/problems/range-sum-query-2d-immutable/ * Given a 2D matrix matri 阅读全文

摘要： package LeetCode_284 /** * 284. Peeking Iterator * https://leetcode.com/problems/peeking-iterator/ * Design an iterator that supports the peek operati 阅读全文

摘要： /** * This problem was asked by Twitter. Implement an autocomplete system. That is, given a query string s and a set of all possible query strings, re 阅读全文