摘要： Atlantis 题目链接：http://acm.hdu.edu.cn/showproblem.php?pid=1542 题目大意：给n个矩形，求出矩形面积并 经典入门扫描线。首先我们来看什么是扫描线。 扫描线，是一条我们构造的一条垂直于坐标轴的线，目的是将矩形面积并的问题分割为求若干矩形的问题。 阅读全文

摘要： 时间飞快，距离JXCPC已经一个月了。 7月6日，三题热身赛，两题打铁。旁边中学生三题AK。进赛场时，发现旁边是一队中学生，就知道要被吊锤了。果然（雾 7月7日，正式赛。 K题温暖的签到，F题在我的憨憨思路被队友无视后，随手A掉。差点背锅 两题过后有点自闭。我开I题wa一发，lzh和cyt在我敲I题 阅读全文

摘要： Color the Ball Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 6689 Accepted Submission(s): 1655 阅读全文

摘要： Gym-100989L AbdelKader enjoys math. He feels very frustrated whenever he sees an incorrect equation and so he tries to make it correct as quickly as p 阅读全文

摘要： G. Mission in Amman (B) time limit per test 1.0 s memory limit per test 256 MB input standard input output standard output There are K hours left befo 阅读全文

摘要： 钥匙计数之一 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 2136 Accepted Submission(s): 1018 Problem 阅读全文

摘要： 饭卡 Time Limit: 5000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 49991 Accepted Submission(s): 16936 Problem De 阅读全文

摘要： C. Sad powerstime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputYou're given Q queries of the form  阅读全文

摘要： Max Sum Plus Plus Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 40437 Accepted Submission(s): 1 阅读全文

摘要： 不要62 Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 64679 Accepted Submission(s): 25710 Problem 阅读全文