Internet of Lights and Switches Time Limit: 1 Sec  Memory Limit: 128 MBSubmit: 3  Solved: 3[Submit][Status][Web Board] Description You are a fan of "Internet of Things"(IoT, 物联网), so you build a nice Internet of Lights and Switches in your huge…
传送门:2018 ACM 国际大学生程序设计竞赛上海大都会赛 2018 ACM 国际大学生程序设计竞赛上海大都会赛重现赛2018-08-05 12:00:00 至 2018-08-05 17:00:00时长: 5小时 比赛情况 实录 难度差不多介于省赛和区域赛之间吧.开题A是计算几何,有点思路后就先放下去写签到题,B读错题WA一发,K直接套模板,然后就接着看A.之前写过类似题,没注意数据范围就头铁地交了发n3的代码,TE后才发现数据范围是之前那道十多倍,就听学长的先看D.推十分钟公式无果后打算直…
nyoj-1365-山区修路 内存限制:128MB 时间限制:3000ms 特判: No通过数:4 提交数:4 难度:3 题目描述: SNJ位于HB省西部一片群峰耸立的高大山地,横亘于A江.B水之间,方圆数千平方公里,相传上古的神医在此搭架上山采药而得名.景区山峰均在海拔3000米以上,堪称"华中屋脊".SNJ是以秀绿的亚高山自然风光,多样的动植物种,人与自然和谐共存为主题的森林生态区.SNJ处于中国地势第二阶梯的东部边缘,由大巴山脉东延的余脉组成中高山地貌,区内山体高大,高低不平.…
Magic boy Bi Luo with his excited tree Problem Description Bi Luo is a magic boy, he also has a migic tree, the tree has N nodes , in each node , there is a treasure, it's value is V[i], and for each edge, there is a cost C[i], which means every time…
传递 Time Limit: 12000/6000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 42    Accepted Submission(s): 16 Problem Description 我们称一个有向图G是传递的,当且仅当对任意三个不同的顶点a,,若G中有 一条边从a到b且有一条边从b到c ,则G中同样有一条边从a到c.我们称图G是一个竞赛图,当且仅当它是一个有…
异或密码 Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 19    Accepted Submission(s): 9 Problem Description 晨晨在纸上写了一个长度为N的非负整数序列{ai }.对于这个序列的一个连续子序列{al,al+1,…,ar }晨晨可以求出其中所有数异或的结果 alxoral+1xor...xo…
Alice and Bob Time Limit: 1000ms   Memory limit: 65536K 题目描述 Alice and Bob like playing games very much.Today, they introduce a new game. There is a polynomial like this: (a0*x^(2^0)+1) * (a1 * x^(2^1)+1)*.......*(an-1 * x^(2^(n-1))+1). Then Alice as…
最大的位或 Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 18    Accepted Submission(s): 17 Problem Description B君和G君聊天的时候想到了如下的问题.给定自然数l和r ,选取2个整数x,y满足l <= x <= y <= r ,使得x|y最大.其中|表示按位或,即C. C++.…
点击打开链接 2226: Contest Print Server Time Limit: 1 Sec  Memory Limit: 128 MB Submit: 53  Solved: 18 [Submit][Status][Web Board] Description In ACM/ICPC on-site contests ,3 students share 1 computer,so you can print your source code any time. Here you ne…
2013年"浪潮杯"山东省第四届ACM大学生程序设计竞赛排名:http://acm.upc.edu.cn/ranklist/ 一.第J题坑爹大水题,模拟一下就行了 J:Contest Print Server [题解]: 题目大意:输入 n,s,x,y,mod  分别队伍数n,还有一个s生成函数 s=((s*x)+y)%mod,就是打印机根据要求打印纸张,打印到s时,打印机将重置,生成新的s [code]: #include <iostream> #include <…
http://acm.fzu.edu.cn/problem.php?pid=2105 Problem Description Given N integers A={A[0],A[1],...,A[N-1]}. Here we have some operations: Operation 1: AND opn L R Here opn, L and R are integers. For L≤i≤R, we do A[i]=A[i] AND opn (here "AND" is bi…
朋友 Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others) Problem Description B君在围观一群男生和一群女生玩游戏,具体来说游戏是这样的:给出一棵n个节点的树,这棵树的每条边有一个权值,这个权值只可能是0或1. 在一局游戏开始时,会确定一个节点作为根.接下来从女生开始,双方轮流进行 操作.当一方操作时,他们需要先选择一个不为根的点,满足该点到其父亲的边权为1; 然…
最大的位或 Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others) Problem Description B君和G君聊天的时候想到了如下的问题.给定自然数l和r ,选取2个整数x,y满足l <= x <= y <= r ,使得x|y最大.其中|表示按位或,即C. C++. Java中的|运算.   Input 包含至多10001组测试数据.第一行有一个正整数,表示数据的组数.…
异或密码 Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others) Problem Description 晨晨在纸上写了一个长度为N的非负整数序列{ai}.对于这个序列的一个连续子序列{al,al+1,-,ar}晨晨可以求出其中所有数异或的结果 alxoral+1xor...xorar其 中xor表示位异或运算,对应C.C++. Java等语言中的^运算.小璐提出了M个询问,每个询问用…
传递 Time Limit: 12000/6000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)     Problem Description 我们称一个有向图G是传递的,当且仅当对任意三个不同的顶点a,,若G中有 一条边从a到b且有一条边从b到c ,则G中同样有一条边从a到c.我们称图G是一个竞赛图,当且仅当它是一个有向图且它的基图是完全图.换句 话说,将完全图每条边定向将得到一个竞赛图.下图展示的是一个有4个顶点…
扫雷 Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 998    Accepted Submission(s): 289 Problem Description 扫雷游戏是晨晨和小璐特别喜欢的智力游戏,她俩最近沉迷其中无法自拔.该游戏的界面是一个矩阵,矩阵中有些格子中有一个地雷,其余格子中没有地雷. 游戏中,格子可能处于己知和未知的状态…
Equation Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 92    Accepted Submission(s): 24 Problem Description Little Ruins is a studious boy, recently he learned addition operation! He was rewa…
Difference Time Limit: 6000/3000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 62    Accepted Submission(s): 19 Problem Description Little Ruins is playing a number game, first he chooses two positive integers y an…
Kingdom of Obsession Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 49    Accepted Submission(s): 14 Problem Description There is a kindom of obsession, so people in this kingdom do things very…
Four Operations Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 22    Accepted Submission(s): 12 Problem Description Little Ruins is a studious boy, recently he learned the four operations!Now h…
Car Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 25    Accepted Submission(s): 12 Problem Description Ruins is driving a car to participating in a programming contest. As on a very tight sche…
Bomb Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 10    Accepted Submission(s): 3 Problem Description There are N bombs needing exploding.Each bomb has three attributes: exploding radius ri,…
ArcSoft's Office Rearrangement Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 3    Accepted Submission(s): 2 Problem Description ArcSoft, Inc. is a leading global professional computer photogra…
Coconuts Time Limit: 9000/4500 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 524    Accepted Submission(s): 151 Problem Description TanBig, a friend of Mr. Frog, likes eating very much, so he always has dreams abou…
Basic Data Structure Time Limit: 7000/3500 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 872    Accepted Submission(s): 236 Problem Description Mr. Frog learned a basic data structure recently, which is called stac…
Mr. Frog's Game Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 277    Accepted Submission(s): 192 Problem Description One day, Mr. Frog is playing Link Game (Lian Lian Kan in Chinese).In this g…
Mr. Frog's Problem Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 312    Accepted Submission(s): 219 Problem Description One day, you, a clever boy, feel bored in your math class, and then fall…
Minimum's Revenge Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 283    Accepted Submission(s): 219 Problem Description There is a graph of n vertices which are indexed from 1 to n. For any pai…
Auxiliary Set Time Limit: 9000/4500 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 873    Accepted Submission(s): 271 Problem Description Given a rooted tree with n vertices, some of the vertices are important.An au…
这个专栏开始介绍一些<ACM国际大学生程序设计竞赛题解>上的竞赛题目,读者可以配合zju/poj/uva的在线测评系统提交代码(今天zoj貌似崩了). 其实看书名也能看出来这本书的思路,就是一本题解书,简单暴力的通过题目的堆叠来提升解决编程问题的能力. 那么下面开始探索吧. poj1037: Description Background For years, computer scientists have been trying to find efficient solutions to…