2020年4月20日
Trees on the level HDU - 1622 二叉树
摘要： Trees are fundamental in many branches of computer science. Current state-of-the art parallel computers such as Thinking Machines' CM-5 are based on f 阅读全文
posted @ 2020-04-20 22:47 XXXSANS 阅读(120) 评论(0) 推荐(0)
Robotic Sort HDU - 1890 Splay树
摘要： Somewhere deep in the Czech Technical University buildings, there are laboratories for examining mechanical and electrical properties of various mater 阅读全文
posted @ 2020-04-20 22:04 XXXSANS 阅读(184) 评论(0) 推荐(0)
Jurassic Remains [中途相遇法]
摘要： Paleontologists in Siberia have recently found a number of fragments of Jurassic period dinosaur skeleton. The paleontologists have decided to forward 阅读全文
posted @ 2020-04-20 18:55 XXXSANS 阅读(198) 评论(0) 推荐(0)
Black And White DFS
摘要： In mathematics, the four color theorem, or the four color map theorem, states that, given any separation of a plane into contiguous regions, producing 阅读全文
posted @ 2020-04-20 16:46 XXXSANS 阅读(587) 评论(0) 推荐(0)
Magic Bitwise And Operation DFS
摘要： Given n integers, your task is to pick k out of them so that the picked number are minimum when do bitwise “AND” among all of them. For example, there 阅读全文
posted @ 2020-04-20 11:33 XXXSANS 阅读(187) 评论(0) 推荐(0)
Jerboas 邻接表+DFS
摘要： Jerboas are small desert-living animals, which resemble mice with a long tufted tail and very long hind legs. Jerboas shelter in well-hidden burrows. 阅读全文
posted @ 2020-04-20 10:36 XXXSANS 阅读(193) 评论(0) 推荐(0)
2020年4月19日
【错误】 y1重定义，以前的定义是“函数”
摘要： 前几天定义y1出现这样的报错，没管改成y11就继续写，今天比赛又忘记这个，赶紧上网查查是什么原因，这个y1在math.h里定义过了。继续打开math.h - corecrt_math.h 发现，不仅是y1,连j0,j1,jn,y0,yn都被定义了 作用： Function: double j0 (d 阅读全文
posted @ 2020-04-19 18:59 XXXSANS 阅读(1752) 评论(0) 推荐(0)
Happy Matt Friends HDU - 5119 [计数DP]
摘要： Matt has N friends. They are playing a game together. Each of Matt’s friends has a magic number. In the game, Matt selects some (could be zero) of his 阅读全文
posted @ 2020-04-19 12:24 XXXSANS 阅读(127) 评论(0) 推荐(0)
Robot HDU - 4576
摘要： Michael has a telecontrol robot. One day he put the robot on a loop with n cells. The cells are numbered from 1 to n clockwise. At first the robot is 阅读全文
posted @ 2020-04-19 11:52 XXXSANS 阅读(189) 评论(0) 推荐(0)
Max Sum Plus Plus HDU - 1024滚动数组
摘要： Now I think you have got an AC in Ignatius.L's "Max Sum" problem. To be a brave ACMer, we always challenge ourselves to more difficult problems. Now y 阅读全文
posted @ 2020-04-19 10:48 XXXSANS 阅读(121) 评论(0) 推荐(0)