摘要:
Given two integers n and k, return all possible combinations of k numbers out of 1 ... n. Example: 阅读全文
摘要:
除了普通迭代器,C++标准模板库还定义了几种特殊的迭代器,分别是插入迭代器、流迭代器、反向迭代器和移动迭代器,定义在<iterator>头文件中,下面主要介绍三种插入迭代器(back_inserter,inserter,front_inserter)的区别。 首先,什么是插入迭代器?插入迭代器是指被 阅读全文
摘要:
Given a collection of integers that might contain duplicates, nums, return all possible subsets (the power set). Note: The solution set must not conta 阅读全文