一次比赛做一次总结,弱菜又来总结了…… 我这种大四的又死皮赖来混省赛了,貌似就我和山大威海的某哥们(不详其大名)了吧.颁奖前和他聊天,得知他去百度了,真是不错,ORZ之. 比赛流水账: 题目目前不知道哪有,过几天填坑. 没发题目前,我们赌A题可能是水题,由于我是主coder,我去读A,剩下的一个从前往后,一个从后往前. 结果……,看到A有一个貌似是几何的图……,我还是硬头皮读了.读到一半,3分钟刷榜,发现E有出,让ZK读E,ZK先告诉我了B题题意,转而读E.B题是一个有环形关系的期望,我扫了一下…

Memory Leak Time Limit: 2000MS Memory limit: 131072K 题目描述 Memory Leak is a well-known kind of bug in C/C++. When a string is longer than expected, it will visit the memory of next array which will cause the issue and leak some information. You can se…

Reversed Words Time Limit: 2000MS Memory limit: 131072K 题目描述 Some aliens are learning English. They have a very strange way in writing that they revered every word in the sentence but keep all the words in common order. For example when they want to…

Triple Nim Time Limit: 2000MS Memory limit: 65536K 题目描述 Alice and Bob are always playing all kinds of Nim games and Alice always goes first. Here is the rule of Nim game: There are some distinct heaps of stones. On each turn, two players should remov…

The Binding of Isaac Time Limit: 2000MS Memory limit: 65536K 题目描述 Ok, now I will introduce this game to you... Isaac is trapped in a maze which has many common rooms- Like this-There are 9 common rooms on the map. And there is only one super-secret r…

Fibonacci Time Limit: 2000MS Memory limit: 131072K 题目描述 Fibonacci numbers are well-known as follow: Now given an integer N, please find out whether N can be represented as the sum of several Fibonacci numbers in such a way that the sum does not inclu…

Julyed Time Limit: 2000MS Memory limit: 65536K 题目描述 Julyed is preparing for her CET-6. She has N words to remember, but there is only M days left. If she can't remember all these words, she won't pass CET-6. If she can't pass CET-6, she will be unhap…

题目地址:http://acm.upc.edu.cn/problemset.php?page=13  2217~2226 A.Rescue The Princess 一个等边三角形告诉前2个点,求逆时针序的第三个点坐标. 简单几何,其实做法有很多,好像大多数都是带直线方程然后判断方向做的.我觉得直接将A放在原点,让B绕A逆时针旋转60度,最后加上A的偏移更简单.旋转直接用方向向量乘旋转矩阵就好. #include <map> #include <set> #include <…

题目链接:http://acm.sdut.edu.cn/sdutoj/contest_show.php?contest_id=1449 相关总结:http://www.cnblogs.com/mcflurry/p/3724649.html#3395978 排名:http://acm.sdut.edu.cn/sd2012/2014.htm A.angry_birds_again_and_again(定积分) B.Circle(高斯消元?/递推) C.Colorful Cupcakes(dp?) D…

A.Rescue The PrincessDescription Several days ago, a beast caught a beautiful princess and the princess was put in prison. To rescue the princess, a prince who wanted to marry  the princess set out immediately. Yet, the beast set a maze. Only if the…