摘要：
Given a set of distinct integers, nums, return all possible subsets (the power set). Note: The solution set must not contain duplicate subsets. Exampl 阅读全文
摘要：
Design and implement a data structure for Least Recently Used (LRU) cache. It should support the following operations: get and put. get(key) - Get the 阅读全文
摘要：
list::splice实现list拼接的功能。将源list的内容部分或全部元素删除，拼插入到目的list。 函数有以下三种声明： void splice ( iterator position, list<T,Allocator>& x ); void splice ( iterator posi 阅读全文