摘要: set用法详解:https://www.cnblogs.com/caiyishuai/p/8646345.html set可以自动维持集合内元素有序,插入效率很高,并且支持二分查找 ps:set的迭代器没有重载+/-运算符,但可以通过++/--访问上/下一个元素 阅读全文
posted @ 2018-09-11 12:07 Shepard 阅读(155) 评论(0) 推荐(0) 编辑
摘要: G.Trace There's a beach in the first quadrant. And from time to time, there are sea waves. A wave ( xx , yy) means the wave is a rectangle whose verte 阅读全文
posted @ 2018-09-11 02:01 Shepard 阅读(361) 评论(0) 推荐(0) 编辑