A - You can Solve a Geometry Problem too **Time Limit:**1000MS **Memory Limit:**32768KB 64bit IO Format:%I64d & %I64u Submit Status Description Many geometry（几何）problems were designed in the ACM/ICPC. And now, I also prepare a geometry problem for this final exam. According to the experience of many ACMers, …

改革春风吹满地 **Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 24179 Accepted Submission(s): 12504 ** Problem Description " 改革春风吹满地, 不会AC没关系; 实在不行回老家， 还有一亩三分地。 谢谢!（乐队奏乐）" 话说部分学生心态极好，每天就知道游戏，这次考试如此简单的题目，也是云里雾里，而且，还竟然来这么几句打油诗。 好呀，老师的责任就是帮你解决问题，既然想种田，那就分你一块。 这块田位于 …

B. Anton and Lines time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output The teacher gave Anton a large geometry homework, but he didn't do it (as usual) as he participated in a regular round on Codeforces. In the task he was given a set of n lines defined by the …

A. 2Char time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Andrew often reads articles in his favorite magazine 2Char. The main feature of these articles is that each of them uses at most two distinct letters. Andrew decided to send an article to the magazine, …

题目链接 题意： 这题是问一个长度为n的循环数组中，逆序对最少的个数。。。 我们可以先用树状数组求出初始的数列的逆序对。。。 然后其他的可以通过递推得到。。。。 当a[i]从处于位置1而被放到最后的时候。。。 cnt = cnt -a[i]+n-a[i]+1; 然后取所有cnt的最大值就行。 /************************************************************************* > File Name: code/hud/1394.cpp > Author: 111qqz > Email: rkz2013@126.com > Created …

I Hate It **Time Limit: 9000/3000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 53991 Accepted Submission(s): 21180 ** Problem Description 很多学校流行一种比较的习惯。老师们很喜欢询问，从某某到某某当中，分数最高的是多少。 这让很多学生很反感。 不管你喜不喜欢，现在需要你做的是，就是按照老师的要求，写一个程序，模拟老师的询问。当然，老师有时候需要更新某位同学的成绩。 Input 本题目包含多组测试，请处理到文件结束。 在每个测试的 …

B - Layer Cake **Time Limit:**6000MS **Memory Limit:**524288KB 64bit IO Format:%I64d & %I64u Submit Status Practice CodeForces 589B Description Dasha decided to bake a big and tasty layer cake. In order to do that she went shopping and bought n rectangular cake layers. The length and the width of the i-th cake …