SUBTRACT Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 2037 Accepted: 901 Special Judge Description We are given a sequence of N positive integers a = [a1, a2, ..., aN] on which we can perform contraction operations. One contractio…
POJ2279 Mr. Young's Picture Permutations 题意 Language:Default Mr. Young's Picture Permutations Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 2513 Accepted: 960 Description Mr. Young wishes to take a picture of his class. The students will…
[前言]咦?如今怎么流行打CF了?于是当一帮大爷在执着的打div 1的时候,我偷偷的在刷div 2.至于怎么决定场次嘛.一般我报一个数字A,随便再拉一个人选一个数字B.然后開始做第A^B场.假设认为机密性不高,来点取模吧. 然后今天做的这场少有的AK了.(事实上模拟赛仅仅做完了4题.最后1题来不及打了) 等等.话说前面几题不用写题解了?算了,让我难得风光一下啦. [A] A. Polo the Penguin and Segments time limit per test 2 seconds…
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…
subtract Return an RDD with the elements from `this` that are not in `other` . def subtract(other: RDD[T]): RDD[T] def subtract(other: RDD[T], numPartitions: Int): RDD[T] def subtract(other: RDD[T], p: Partitioner): RDD[T] val a = sc.parallelize(…