//利用二维数组模拟 #include <iostream> #include <cstdio> #include <cstring> #include <string> #include <algorithm> #include <utility> #include <vector> #include <map> #include <queue> #include <stack> #i…

Maximum Element In A Stack 20.91% 10000ms 262144K   As an ACM-ICPC newbie, Aishah is learning data structures in computer science. She has already known that a stack, as a data structure, can serve as a collection of elements with two operations: pus…

>传送门< 前言 辣鸡网络赛,虽然我是个菜鸡,然而好几个队伍十几分钟就AK???我心态那会彻底崩了,后来群里炸了,话题直接上知乎热搜,都是2018ICPC宁夏网络赛原题,这怎么玩,拼手速?还有我竟然签到都做不出来QAQ太菜了题意 维护一个栈,每次操作之后询问栈里的最大值$x_{i}$,求$(1*x_{1})\wedge (2*x_{2})\wedge \cdots \wedge (n*x_{n})$的结果 分析 开始写的时候就就正常的维护栈,但是$WA$了,后来找了半天发现我想错了.我让栈顶元…

Day 1: 早上6点起床打车去车站,似乎好久没有这么早起床过了,困到不行,在火车上睡啊睡就睡到了南京.南航离南京南站很近,地铁一站就到了,在学校里看到了体验坐直升机的活动,感觉很强.报道完之后去吃了一波食堂,感觉南航食堂装修非常有情调,饭菜种类也很多,打菜的小哥很热情,看到我们用的是20元的饭票但没凑够20块,还送了饮料. 下午热身赛前没事干,给jsb传授了一些玩植物大战僵尸2的经验.热身赛的体验并不很好,机器很卡,没有我们平时习惯用的gedit,写代码的时候保存一下就会卡一会儿,一开始PC2…

题解:最大流板题:增加两个源点,一个汇点.第一个源点到第二个源点连边,权为K,然后第一个源点再连其他点(英雄点)边权各为1,然后英雄和怪物之间按照所给连边(边权为1). 每个怪物连终点,边权为1: 参考代码: #include<bits/stdc++.h> using namespace std; #define INF 0x3f3f3f3f ; int n,m,k,s,t,u,v,w,num,num1; struct Edge { int from, to, cap, flow; }; ve…

https://codeforc.es/gym/102222/problem/F 注意到其实用unsigned long long不会溢出. #include<bits/stdc++.h> using namespace std; typedef long long ll; inline int read() { int x=0; int f=0; char c; do { c=getchar(); if(c=='-') f=1; } while(c<'0'||c>'9'); do…

2018-2019 ACM-ICPC, China Multi-Provincial Collegiate Programming Contest https://vjudge.net/problem/Gym-102222A 只要按照题目给的步骤进行,而且题目给的代码,不要去去改,否则会错.一开始用一个临时变量去存rng61()的值,但其实不可以. 还有就是,除了题目给的几个数的数据类型不变以外其他的数包括stack都开long long ,否则会错在第2个点. 一个简单的思维,为了保持栈顶的元…

Problem G. Garden Gathering Input file: standard input Output file: standard output Time limit: 3 seconds Memory limit: 512 megabytes Many of you may have been to St. Petersburg, but have you visited Peterhof Palace? It is a collection of splendid pa…

http://acm.hdu.edu.cn/showproblem.php?pid=4708 Rotation Lock Puzzle Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Problem Description Alice was felling into a cave. She found a strange door with a number square m…

transaction transaction transaction Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 132768/132768 K (Java/Others)Total Submission(s): 1496    Accepted Submission(s): 723 Problem Description Kelukin is a businessman. Every day, he travels arou…

摘要 本文主要列举并求解了2016 ACM/ICPC亚洲区青岛站现场赛的部分真题,着重介绍了各个题目的解题思路,结合详细的AC代码,意在熟悉青岛赛区的出题策略,以备战2018青岛站现场赛. HDU 5984 Pocky 题意 给出一根棒子(可以吃的)的长度x和切割过程中不能小于的长度d,每次随机的选取一个位置切开,吃掉左边的一半,对右边的棒子同样操作,直至剩余的长度不大于d时停止.现在给出x和d,问切割次数的数学期望是多少. 解题思路 当看到第二个样例2 1时,结果是1.693147,联想到ln…

transaction transaction transaction Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 132768/132768 K (Java/Others)Total Submission(s): 1496    Accepted Submission(s): 723 Problem Description Kelukin is a businessman. Every day, he travels arou…

比赛链接: http://202.197.224.59/OnlineJudge2/index.php/Contest/problems/contest_id/36 题目来源: 2014嘉杰信息杯ACM/ICPC湖南程序设计邀请赛暨第六届湘潭市程序设计竞赛 ×  Problem A A simple problem   (求N % 1 + N % 2 + ....+ N % N, 待补) ?  Problem B Path √  Problem C Range   (单调栈) √  Problem…

祝大家新年快乐,相信在新的一年里一定有我们自己的梦! 这是一个简化的魔板问题,只需输出步骤即可. 玩具(Toy) 描述 ZC神最擅长逻辑推理,一日,他给大家讲述起自己儿时的数字玩具. 该玩具酷似魔方,又不是魔方.具体来说,它不是一个3 * 3 * 3的结构,而是4 * 2的结构. 按照该玩具约定的玩法,我们可反复地以如下三种方式对其做变换: A． 交换上下两行.比如,图(a)经此变换后结果如图(b)所示. B． 循环右移(ZC神从小就懂得这是什么意思的).比如,图(b)经此变换后结果如图(c)所…

Problem D. Delay Time Input file: standard input Output file: standard output Time limit: 1 second Memory limit: 512 megabytes Petr and Egor are measuring the gravitational acceleration g on their physics lessons using a special device. An electromag…

http://acm.hdu.edu.cn/showproblem.php?pid=4710 Balls Rearrangement Time Limit: 6000/3000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 735    Accepted Submission(s): 305 Problem Description Bob has N balls and A b…

转自:http://hi.baidu.com/ordeder/item/2a342a7fe7cb9e336dc37c89 2009年09月06日 星期日 21:55 初识ACM最早听说ACM/ICPC这项赛事是在大三上的算法课上张老师提到的,当时我们学校的组织参加这项活动才刚刚起步,我也没太在意,总觉得那是非常遥远的事,事实上当时我也从未相当如今我们能获得现在的成绩.真正踏入ACM/ICPC这个神奇的世界,不得不提到2004那一年我们学校的参赛队伍xmutank,正是听了pipo师兄的精彩演讲以…

转自:http://hi.baidu.com/accplaystation/item/ca4c2ec565fa0b7fced4f811 ACM/ICPC生涯总结暨退役宣言—alpc55 前言 早就该写这篇文章了,但是也很不想去写.毕竟是为之奋斗了两年的目标,不是说舍得就舍得的.然而,自己毕竟是到了该退的时候了,与其扭扭捏捏,不如挥一挥衣袖,尚落得一份潇洒.回首这两年来,有很多是需要总结的.在这里不分巨细的记录下来,或许有点像流水账,但是更多的,是一份对过去的难忘. 童年 我的ACM/ICPC的生…

http://acm.hdu.edu.cn/showproblem.php?pid=4715 Difference Between Primes Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Problem Description All you know Goldbach conjecture.That is to say, Every even integer great…

http://acm.hdu.edu.cn/showproblem.php?pid=4712 Hamming Distance Time Limit: 6000/3000 MS (Java/Others)    Memory Limit: 65535/65535 K (Java/Others) Total Submission(s): 1610    Accepted Submission(s): 630 Problem Description (From wikipedia) For bina…

hduoj 4706 Children's Day 2013 ACM/ICPC Asia Regional Online —— Warmup Herding Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 2005    Accepted Submission(s): 563 Problem Description Little Joh…

http://acm.hdu.edu.cn/showproblem.php?pid=4707 Pet Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Problem Description One day, Lin Ji wake up in the morning and found that his pethamster escaped. He searched in th…

http://acm.hdu.edu.cn/showproblem.php?pid=4706 Children's Day Time Limit: 2000/1000 MS (Java/Others)     Memory Limit: 32768/32768 K (Java/Others) Problem Description Today is Children's Day. Some children ask you to output a big letter 'N'. 'N' is c…

hannnnah_j’s Biological Test Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 802    Accepted Submission(s): 269 Problem Description hannnnah_j is a teacher in WL High school who teaches biolog…

I Count Two Three Time Limit: 3000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 782    Accepted Submission(s): 406 Problem Description I will show you the most popular board game in the Shanghai Ingress Resis…

QSC and Master Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 859    Accepted Submission(s): 325 Problem Description Every school has some legends, Northeastern University is the same. Enter…

odd-even number Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 388    Accepted Submission(s): 212 Problem Description For a number,if the length of continuous odd digits is even and the length…

Different GCD Subarray Query Time Limit: 6000/3000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 681    Accepted Submission(s): 240 Problem Description This is a simple problem. The teacher gives Bob a list of prob…

Football Games Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 439    Accepted Submission(s): 157 Problem Description A mysterious country will hold a football world championships---Abnormal Cup…

Problem Description Elves are very peculiar creatures. As we all know, they can live for a very long time and their magical prowess are not something to be taken lightly. Also, they live on trees. However, there is something about them you may not kn…