https://www.lydsy.com/JudgeOnline/problem.php?id=4009 https://www.luogu.org/problemnew/show/P3242 https://loj.ac/problem/2113 风见幽香非常喜欢玩一个叫做 osu!的游戏,其中她最喜欢玩的模式就是接水果.由于她已经DT FC 了The big black, 她觉得这个游戏太简单了,于是发明了一个更加难的版本. 首先有一个地图,是一棵由 n 个顶点.n-1 条边组成的树(例如…
我要举报本次校赛出题人的消极出题!!! 官方题解请戳:http://3.scnuacm2015.sinaapp.com/?p=89(其实就是一堆代码没有题解) A. 树链剖分数据结构板题 题目大意:我没看,看不懂. 基本思路:我不会. 参考代码:找Oyk老师和Czj老师去. B. The background of water problem 题目大意(大写加粗的水题):给定$N$个学生和他们$K$个科目的成绩$S_i$,再给出各科目$K_i$的权重顺序$Q_i$,求排名之后,拥有id为$X$的…
Problems # Name A Infinite Sequence standard input/output 1 s, 256 MB x3509 B Restoring Painting standard input/output 1 s, 256 MB x2519 C Money Transfers standard input/output 1 s, 256 MB x724 D Tree Construction standard input/outp…
A.Relic Discovery_hdu5982 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 57 Accepted Submission(s): 49 Problem Description Recently, paleoanthropologists have found historical remains on an…
Bayan 2015 Contest Warm Up http://codeforces.com/contest/475 A - Bayan Bus B - Strongly Connected City C - Kamal-ol-molk's Painting A. Bayan Bus 题意:输入人数k,输出一辆公交车!优先坐最后,同一排优先坐左边. 题解:暴力找地方坐啊! //#pragma comment(linker, "/STACK:102400000,102400000")…
BestCoder Round #7 Start Time : 2014-08-31 19:00:00 End Time : 2014-08-31 21:00:00Contest Type : Register Public Contest Status : Ended Current Server Time : 2014-08-31 21:12:12 Solved Pro.ID Title Ratio(Accepted / Submitted) 1001 Little Pony…