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Home Problems Status Contest     284:28:39 307:00:00   Overview Problem Status Rank A B C D E F G H I J K L M N O L - A Dicey Problem Time Limit:1000MS     Memory Limit:65536KB     64bit IO Format:%I64d & %I64u Submit  Status Description The three-by…
A Dicey Problem Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 832   Accepted: 278 Description The three-by-three array in Figure 1 is a maze. A standard six-sided die is needed to traverse the maze (the layout of a standard six-sided d…
UVA 810 - A Dicey Problem 题目链接 题意:一个骰子,给你顶面和前面.在一个起点,每次能移动到周围4格,为-1,或顶面和该位置数字一样,那么问题来了,骰子能不能走一圈回到原地,输出路径,要求最短,假设有多个最短,依照上下左右输出 思路:读懂题就是水题,就记忆化搜一下就可以,记录状态为位置和骰子顶面.正面(由于有两面就能确定骰子了) 代码: #include <cstdio> #include <cstring> #include <vector>…
题目大意:滚骰子游戏,骰子的上面的点数跟方格中的数相同时或格子中的数是-1时能把格子滚过去,找一条从起点滚到起点的路径. 题目大意:简单BFS,状态转移时细心一些即可. 代码如下; # include<iostream> # include<cstdio> # include<map> # include<string> # include<queue> # include<cstring> # include<algorith…
题目描述:https://uva.onlinejudge.org/external/8/810.pdf 把一个骰子放在一个M x N的地图上,让他按照规定滚动,求滚回原点的最短路径. 思路:  记忆化搜索(我这里用的dfs深度优先搜索) 难点: 如何推导骰子的状态 我没有用打表,而是先用build_dice()初始化二维数组dice, 这样,当我们有骰子的顶面top,正面face, 就可以通过dice[top][face] 获得对应的右面,由此,就可以实现骰子的旋转.rotate()函数实现骰子…
根据状态进行bfs,手动打表维护骰子滚动. AC代码: #include <iostream> #include <cstdio> #include <cstdlib> #include <cctype> #include <cstring> #include <string> #include <sstream> #include <vector> #include <set> #include…
BFS广搜题目有时间一个个做下来 2009-12-29 15:09 1574人阅读 评论(1) 收藏 举报 图形graphc优化存储游戏 有时间要去做做这些题目,所以从他人空间copy过来了,谢谢那位大虾啦. pku 1175 Starry Night 题目地址:http://acm.pku.edu.cn/JudgeOnline/problem?id=1175 解法:BFS,要注意的是如何判断图形是一样的,我的做法就是计算每两个点的距离之和. 看:http://hi.baidu.com/doxi…
求有限集传递闭包的 Floyd Warshall 算法(矩阵实现) 其实就三重循环.zzuoj 1199 题 链接 http://acm.zzu.edu.cn:8000/problem.php?id=1199 Problem B: 大小关系 Time Limit: 2 Sec  Memory Limit: 128 MBSubmit: 148  Solved: 31[Submit][Status][Web Board] Description 当我们知道一组大小关系之后,可判断所有关系是否都能成立…
Gson解析JSON字符串时出现了下面的错误: No-args constructor for class X does not exist. Register an InstanceCreator with Gson for this type to fix this problem. 解决的办法是把对应的Class改成静态类.…
C - NP-Hard Problem Crawling in process... Crawling failed Time Limit:2000MS     Memory Limit:262144KB     64bit IO Format:%I64d & %I64u Submit Status Practice CodeForces 688C uDebug Description   Input   Output   Sample Input   Sample Output   Hint…
I joined the NodeJS online Course three weeks ago, but now I'm late about 2 weeks. I pay the codeschool yearly subscribed, but I have lost the track long time. I get more weight than expected. I like more and more my MacBook Pro I maybe go to the UST…
    Programming Contest Problem Types Hal Burch conducted an analysis over spring break of 1999 and made an amazing discovery: there are only 16 types of programming contest problems! Furthermore, the top several comprise almost 80% of the problems s…
题意: 给你一个数n,表示有n辆火车,编号从1到n,入站,问你有多少种出站的可能.    (题于文末) 知识点: ps:百度百科的卡特兰数讲的不错,注意看其参考的博客. 卡特兰数(Catalan):前几项为 : 1, 1, 2, 5, 14, 42, 132, 429, 1430, 4862, 16796, 58786, 208012, 742900, 2674440, 9694845, 35357670- 令h(0)=1,h(1)=1,catalan数满足递推式:      h(n)= h(0…
2301: [HAOI2011]Problem b Time Limit: 50 Sec  Memory Limit: 256 MBSubmit: 4032  Solved: 1817[Submit][Status][Discuss] Description 对于给出的n个询问,每次求有多少个数对(x,y),满足a≤x≤b,c≤y≤d,且gcd(x,y) = k,gcd(x,y)函数为x和y的最大公约数. Input 第一行一个整数n,接下来n行每行五个整数,分别表示a.b.c.d.k Outp…
You are given two jugs with capacities x and y litres. There is an infinite amount of water supply available. You need to determine whether it is possible to measure exactly z litres using these two jugs. If z liters of water is measurable, you must…
A city's skyline is the outer contour of the silhouette formed by all the buildings in that city when viewed from a distance. Now suppose you are given the locations and height of all the buildings as shown on a cityscape photo (Figure A), write a pr…
$s = curl_init(); curl_setopt($s, CURLOPT_POST, true); curl_setopt($s, CURLOPT_POSTFIELDS, $queryStr); curl_setopt($s, CURLOPT_URL, $url); curl_setopt($s, CURLOPT_TIMEOUT, 1000); curl_setopt($s, CURLOPT_RETURNTRANSFER, 1); $body = curl_exec($s); if($…
3489: A simple rmq problem Time Limit: 40 Sec  Memory Limit: 600 MBSubmit: 1594  Solved: 520[Submit][Status][Discuss] Description 因为是OJ上的题,就简单点好了.给出一个长度为n的序列,给出M个询问:在[l,r]之间找到一个在这个区间里只出现过一次的数,并且要求找的这个数尽可能大.如果找不到这样的数,则直接输出0.我会采取一些措施强制在线. Input 第一行为两个整…
http://codeforces.com/problemset/problem/442/B (题目链接) 题意 n个人,每个人有p[i]的概率出一道题.问如何选择其中s个人使得这些人正好只出1道题的概率最大. Solution 很显然的概率dp,过了样例即可AC..话说我为什么要刷B题→_→ 代码 // codeforces442B #include<algorithm> #include<iostream> #include<cstdlib> #include<…
A^B Problem 时间限制:1000 ms  |  内存限制:65535 KB 难度:2   描述 Give you two numbers a and b,how to know the a^b's the last digit number.It looks so easy,but everybody is too lazy to slove this problem,so they remit to you who is wise.   输入 There are mutiple te…
A Simple Tree Problem Time Limit: 3 Seconds      Memory Limit: 65536 KB Given a rooted tree, each node has a boolean (0 or 1) labeled on it. Initially, all the labels are 0. We define this kind of operation: given a subtree, negate all its labels. An…
K - Yet Another Multiple Problem Time Limit:20000MS     Memory Limit:65536KB     64bit IO Format:%I64d & %I64u Submit Status Practice HDU 4474 Appoint description:  System Crawler  (2014-10-16) Description There are tons of problems about integer mul…
Recently ,I got confused When I use  git to push one of my project. The problem is below: And I Found the solutions  below maybe helpful to someone who meet the problem: Dealing with non-fast-forward errors Sometimes, Git can't make your change to a…
Cisco的VPN客户端最近报"AnyConnect was not able to establish connection to the specified secure gateway." 导致连不上公司VPN了. 有人说取消共享 Problem: AnyConnect was not able to establish a connection to the specified secure gateway. Please try connecting again. Envir…
题目链接:http://poj.org/problem?id=3311 题意:一个人到一些地方送披萨,要求找到一条路径能够遍历每一个城市后返回出发点,并且路径距离最短.最后输出最短距离即可.注意:每一个地方可重复访问多次. 经典的状压dp,因为每次送外卖不超过10个地方,可以压缩. 由于题中明确说了两个城市间的直接可达路径(即不经过其它城市结点)不一定是最短路径,所以需要借助floyd首先求出任意两个城市间的最短距离. 然后,在此基础上来求出遍历各个城市后回到出发点的最短路径的距离,即求解TSP…
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B. A Trivial Problem time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Mr. Santa asks all the great programmers of the world to solve a trivial problem. He gives them an integer m and asks f…
[BZOJ1700][Usaco2007 Jan]Problem Solving 解题 Description 过去的日子里,农夫John的牛没有任何题目. 可是现在他们有题目,有很多的题目. 精确地说,他们有P (1 <= P <= 300) 道题目要做. 他们还离开了农场并且象普通人一样找到了工作. 他们的月薪是M (1 <= M <= 1000) 元. 他们的题目是一流的难题,所以他们得找帮手.帮手们不是免费的,但是他们能保证在一个月内作出任何题目.每做一道题需要两比付款,…
题目链接:http://acm.hust.edu.cn/vjudge/contest/126708#problem/F 题意:求至上而下一条路径的所经过的值得和最大值,这题比赛时就出了 但当时看不懂题目一直没写,这就和数字三角形差不多,只是加上了他的下部分,分上下两种情况就行. AC代码: #include<cstdio> #include <cstring> #include <iostream> using namespace std; int i,j,n; ][]…
Link http://acm.hust.edu.cn/vjudge/contest/121539#problem/C Description standard input/output After a long ACM training day, Master Hasan invited his trainees for a light dinner in the cafeteria. The cafeteria has N tables, each with a number of chai…