摘要：
Given a collection of candidate numbers (C) and a target number (T), find all unique combinations in C where the candidate numbers sums to T. Each num 阅读全文
摘要：
Given a set of candidate numbers (C) (without duplicates) and a target number (T), find all unique combinations in C where the candidate numbers sums 阅读全文
摘要：
Given a mountain sequence of n integers which increase firstly and then decrease, find the mountain top. Given a mountain sequence of n integers which 阅读全文