摘要：Week13 376. Wiggle Subsequence A sequence of numbers is called a wiggle sequence if the differences between successive numbers strictly alternate betw 阅读全文

摘要：Week 12 673.Number of Longest Increasing Subsequence Given an unsorted array of integers, find the number of longest increasing subsequence. Example 1 阅读全文

摘要：Week 11 343.Integer Break Given a positive integer n, break it into the sum of at least two positive integers and maximize the product of those intege 阅读全文

摘要：474. Ones and Zeroes In the computer world, use restricted resource you have to generate maximum benefit is what we always want to pursue. For now, su 阅读全文

摘要：638.Shopping Offers Medium In LeetCode Store, there are some kinds of items to sell. Each item has a price. However, there are some special offers, an 阅读全文