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Animals and Puzzle time limit per test 5 seconds memory limit per test 512 megabytes input standard input output standard output Owl Sonya gave a huge lake puzzle of size n × m to hedgehog Filya as a birthday present. Friends immediately started to a…
D. Animals and Puzzle 题目连接: http://codeforces.com/contest/713/problem/D Description Owl Sonya gave a huge lake puzzle of size n × m to hedgehog Filya as a birthday present. Friends immediately started to assemble the puzzle, but some parts of it turn…
[题目]D. Animals and Puzzle [题意]给定n*m的01矩阵,Q次询问某个子矩阵内的最大正方形全1子矩阵边长.n,m<=1000,Q<=10^6. [算法]动态规划DP+二维ST表 [题解]设f[i][j]为以(i,j)为右下角的最大正方形全1子矩阵. f[i][j]=min{ f[i-1][j-1] , f[i][j-1] , f[i-1][j] }+1 然后用二维ST表处理f[i][j]的子矩阵最小值. 对于每次询问,二分边长x,答案即子矩阵(x1+x-1,y1+x-1…
D - Animals and Puzzle #include<bits/stdc++.h> #define LL long long #define fi first #define se second #define mk make_pair #define PII pair<int, int> #define PLI pair<LL, int> #define ull unsigned long long using namespace std; + ; cons…
题目链接 Animals and Puzzle 题意  给出一个1e3 * 1e3的01矩阵,给出t个询问,每个询问形如x1,y1,x2,y2 你需要回答在以$(x1, y1)$为左上角,$(x1, y2)$为右下角的子矩阵中,最大的全1正方形的边长. 首先考虑DP预处理. $f[i][j]$表示以$f[i][j]$为右下角的最大的全1正方形的边长. 则$f[i][j] = min(f[i - 1][j], f[i][j - 1], f[i - 1][j - 1]) + 1$ 我们对$f[i][…
题意:一个n*m的01矩阵,Q个询问,每次询问一个矩形区域内,最大的全1正方形的边长是多少? 题解:dp[0][0][i][j]表示以(i, j)为右下角的正方形的最长边长.RMQ后,二分答案即可. #include <cstdio> #include <iostream> #include <algorithm> using namespace std; typedef long long ll; ; int x1, y1, x2, y2, n, m; int a[N…
题目链接 给一个01矩阵, 然后每个询问给出两个坐标(x1, y1), (x2, y2). 问你这个范围内的最大全1正方形的边长是多少. 我们dp算出以i, j为右下角的正方形边长最大值. 然后用二维st表预处理出所有的最大值. 对于每个询问, 我们二分一个值mid, 查询(x1 + mid -1, y1 + mid -1), (x2, y2)这个范围内的最大值是否大于mid .如果大于的话就说明在(x1, y1), (x2, y2)范围内存在一个边长为mid的正方形. #include <bi…
$n<=1000,m<=1000$,$n*m$的01矩阵,给$t<=1000000$个询问,每次问一个矩形中最大的1正方形的边长. 先想想不考虑“一个矩形中”的限制,那记$f(i,j)$--以$(i,j)$为右下角的最大的正方形,那 很好,那现在加入一个边界限制,由于边长r的正方形同时也是边长r-1,r-2……的,那来二分答案吧,现在对二分的答案$x$就检查一个区域里的$f$数组中最大的那一个是否大于等于$x$.查静态区间最大,用ST表啦!拓展到二维情况即可. #include<s…
龟速补题.目前基本弃坑.已暂时放弃 D.I 两题. 下面不再写题意了直接说解法注意事项之类,直接放contest链接. https://vjudge.net/contest/151537 A.The Perfect Stall 很明显的二分图匹配,可以跑最大流 我是直接写的匈牙利算法,hungary,不是hungry (虽然读音差不多??? 事实证明浪了一个寒假我连hungary算法都不会写了 #include <cstdio> #include <vector> #include…
Puzzle 面向服务/切面AOP开发框架 For .Net AOP主要实现的目的是针对业务处理过程中的切面进行提取,它所面对的是处理过程中的某个步骤或阶段,以获得逻辑过程中各部分之间低耦合性的隔离效果. 日常的产品开发中最常见的就是数据保存的功能.举例来说,现在有个用户信息数据保存的功能,我们希望在数据保存前对数据进行校验,其中现在能想到的校验就包含数据完整性校验和相同数据是否存在校验.按照传统的OOP(面向对象程序设计),我们需要定义一个IUserDataSaveService(用户数据保存…
题目 Source http://acm.hdu.edu.cn/showproblem.php?pid=5456 Description As an exciting puzzle game for kids and girlfriends, the Matches Puzzle Game asks the player to find the number of possible equations A−B=C with exactly n (5≤n≤500) matches (or stic…
one recursive approach to solve hdu 1016, list all permutations, solve N-Queens puzzle. reference: the video of stanford cs106b lecture 10 by Julie Zelenski https://www.youtube.com/watch?v=NdF1QDTRkck // hdu 1016, 795MS #include <cstdio> #include &l…
Katu Puzzle Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 6714   Accepted: 2472 Description Katu Puzzle is presented as a directed graph G(V, E) with each edge e(a, b) labeled by a boolean operator op (one of AND, OR, XOR) and an integ…
Multiplication Puzzle Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 8737   Accepted: 5468 Description The multiplication puzzle is played with a row of cards, each containing a single positive integer. During the move player takes one…
B. Island Puzzle time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output A remote island chain contains n islands, labeled 1 through n. Bidirectional bridges connect the islands to form a simple c…
题目链接:http://poj.org/problem?id=1651 Description The multiplication puzzle is played with a row of cards, each containing a single positive integer. During the move player takes one card out of the row and scores the number of points equal to the prod…
Ignatius's puzzle Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 4935    Accepted Submission(s): 3359 Problem Description Ignatius is poor at math,he falls across a puzzle problem,so he has no…
A hard puzzle Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 23766    Accepted Submission(s): 8390 Problem Description lcy gives a hard puzzle to feng5166,lwg,JGShining and Ignatius: gave a and…
Problem Description lcy gives a hard puzzle to feng5166,lwg,JGShining and Ignatius: gave a and b,how to know the a^b.everybody objects to this BT problem,so lcy makes the problem easier than begin.this puzzle describes that: gave a and b,how to know…
                                                           M × N Puzzle Time Limit: 4000MS   Memory Limit: 131072K Total Submissions: 4112   Accepted: 1140 Description The Eight Puzzle, among other sliding-tile puzzles, is one of the famous problems…
The Problem. 求解8数码问题.用最少的移动次数能使8数码还原. Best-first search.使用A*算法来解决,我们定义一个Seach Node,它是当前搜索局面的一种状态,记录了从初始到达当前状态的移动次数和上一个状态.初始化时候,当前状态移动次数为0,上一个状态为null,将其放入优先级队列,通过不断的从优先级队列中取出Seach Node去扩展下一级的状态,直到找到目标状态.对于优先级队列中优先级的定义我们可以采用:Hamming priority function 和…
圣诞前上线的App,Tangram Puzzle 限免,大家去下载玩玩. 介绍网站:http://www.mokamisu.com/ App Store:https://itunes.apple.com/en/app/tangram-puzzle/id781360993?mt=8 惯例App的开发总结稍后放出...…
B - Hongcow Solves A Puzzle 题目连接: http://codeforces.com/contest/745/problem/B Description Hongcow likes solving puzzles. One day, Hongcow finds two identical puzzle pieces, with the instructions "make a rectangle" next to them. The pieces can be…
题目大意 构造一条闭合路线,使得路线不能相交,并且走直线的步数小于等于 S,转弯(左转和右转)的步数小于等于 T.(0≤S,T≤1000) 求一条最长的路线 做法分析 注意到,因为要求路线闭合,那么转弯的数量 T 必须大于等于 4,否则无解. 适当 YY 下:只能用偶数个 S 和偶数个 T,不然不可能构成闭合路径.怎么证明,不会... 情况1:S<2 这种情况下,我们不能使用直走的命令,只能通过不断的转弯来实现题目要求的路径,在纸上画了画,大致图形如下: T=4 时:   T=8:没有   T=…
Solve the puzzle, Save the world! Problem Description In the popular TV series Heroes, there is a tagline "Save the cheerleader, Save the world!". Here Heroes continues, "Solve the puzzle, Save the world!".Finally, alien invaders visit…
8.6 Implement a jigsaw puzzle. Design the data structures and explain an algorithm to solve the puzzle. You can assume that you have a f itsWith method which, when passed two puzzle pieces, returns true if the two pieces belong together.…
Multiplication Puzzle Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 8040   Accepted: 4979 Description The multiplication puzzle is played with a row of cards, each containing a single positive integer. During the move player takes one…
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…
Problem Description lcy gives a hard puzzle to feng5166,lwg,JGShining and Ignatius: gave a and b,how to know the a^b.everybody objects to this BT problem,so lcy makes the problem easier than begin.this puzzle describes that: gave a and b,how to know…
Rotation Lock Puzzle Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 1836    Accepted Submission(s): 580 Problem Description Alice was felling into a cave. She found a strange door with a numbe…