摘要:
Given a collection of integers that might contain duplicates, nums , return all possible subsets. Note: The solution set must not contain duplicate su 阅读全文
摘要:
1. 声明一个 的二维数组: 2. 这么写结果不对: 我晕! 3. 不能妄图写成这样: 有点边迭代,边修改数组的意思. 4. push_back() 和 back() 的区别: coll.push_back()是把一个元素,放入这个容器的末尾,相当于末尾添加一个元素; coll.back()是获取最 阅读全文
摘要:
Given a set of distinct integers, nums, return all possible subsets. Note: The solution set must not contain duplicate subsets. For example, If , a so 阅读全文