摘要：Problem: https://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii/ Say you have an array for which the ith element is the price of a given sto 阅读全文

摘要：Problem: https://leetcode.com/problems/best-time-to-buy-and-sell-stock/ Say you have an array for which the ith element is the price of a given stock 阅读全文

摘要：Problem: https://leetcode.com/problems/h-index/ Given an array of citations (each citation is a non-negative integer) of a researcher, write a functio 阅读全文

摘要：Problem: https://leetcode.com/problems/house-robber-ii/ After robbing those houses on that street, the thief has found himself a new place for his thi 阅读全文

摘要：For me, at the age of 20, it's not late to realize that I should take all my effort to persue my dream, to pave the way for my future. 阅读全文