摘要：【重要的事情写在前面】先来说说swap的实现方式，这道题我本来自己写了个swap的算法，除了通常的swap(type& a, type& b){ type t = a; a = b; b = a;}的写法外，还有一种【极客】写法：swap(type& a, type& b){ a ^= b;... 阅读全文

摘要：Problem:Given a 2D binary matrix filled with 0's and 1's, find the largest square containing all 1's and return its area.For example, given the follow... 阅读全文