我是靠谱客的博主 优雅大船，最近开发中收集的这篇文章主要介绍省赛前第四次练习（共7道 未完待续）菜鸟在努力。。。。。 Doing Homework again http://blog.csdn.net/liujiuxiaoshitou/article/details/70327794Ignatius and the Princess I To The Max Solitaire 下沙的沙子有几粒？ Code Lock 迷宫城堡，觉得挺不错的，现在分享给大家，希望可以做个参考。
概述
Doing Homework again
Time Limit : 1000/1000ms (Java/Other) Memory Limit : 32768/32768K (Java/Other)
Total Submission(s) : 5 Accepted Submission(s) : 3
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Problem Description
Input
The input contains several test cases. The first line of the input is a single integer T that is the number of test cases. T test cases follow.
Each test case start with a positive integer N(1<=N<=1000) which indicate the number of homework.. Then 2 lines follow. The first line contains N integers that indicate the deadlines of the subjects, and the next line contains N integers that indicate the reduced scores.
Each test case start with a positive integer N(1<=N<=1000) which indicate the number of homework.. Then 2 lines follow. The first line contains N integers that indicate the deadlines of the subjects, and the next line contains N integers that indicate the reduced scores.
Output
For each test case, you should output the smallest total reduced score, one line per test case.
Sample Input
3 3 3 3 3 10 5 1 3 1 3 1 6 2 3 7 1 4 6 4 2 4 3 3 2 1 7 6 5 4
Sample Output
0 3 5
Author
Source
2007省赛集训队练习赛（10）_以此感谢DOOMIII
http://blog.csdn.net/liujiuxiaoshitou/article/details/70327794Ignatius and the Princess I
Time Limit : 2000/1000ms (Java/Other) Memory Limit : 65536/32768K (Java/Other)
Total Submission(s) : 0 Accepted Submission(s) : 0
Special Judge
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Problem Description
The Princess has been abducted by the BEelzebub feng5166, our hero Ignatius has to rescue our pretty Princess. Now he gets into feng5166's castle. The castle is a large labyrinth. To make the problem simply, we assume the labyrinth is a N*M two-dimensional array which left-top corner is (0,0) and right-bottom corner is (N-1,M-1). Ignatius enters at (0,0), and the door to feng5166's room is at (N-1,M-1), that is our target. There are some monsters in the castle, if Ignatius meet them, he has to kill them. Here is some rules:
1.Ignatius can only move in four directions(up, down, left, right), one step per second. A step is defined as follow: if current position is (x,y), after a step, Ignatius can only stand on (x-1,y), (x+1,y), (x,y-1) or (x,y+1).
2.The array is marked with some characters and numbers. We define them like this:
. : The place where Ignatius can walk on.
X : The place is a trap, Ignatius should not walk on it.
n : Here is a monster with n HP(1<=n<=9), if Ignatius walk on it, it takes him n seconds to kill the monster.
Your task is to give out the path which costs minimum seconds for Ignatius to reach target position. You may assume that the start position and the target position will never be a trap, and there will never be a monster at the start position.
1.Ignatius can only move in four directions(up, down, left, right), one step per second. A step is defined as follow: if current position is (x,y), after a step, Ignatius can only stand on (x-1,y), (x+1,y), (x,y-1) or (x,y+1).
2.The array is marked with some characters and numbers. We define them like this:
. : The place where Ignatius can walk on.
X : The place is a trap, Ignatius should not walk on it.
n : Here is a monster with n HP(1<=n<=9), if Ignatius walk on it, it takes him n seconds to kill the monster.
Your task is to give out the path which costs minimum seconds for Ignatius to reach target position. You may assume that the start position and the target position will never be a trap, and there will never be a monster at the start position.
Input
The input contains several test cases. Each test case starts with a line contains two numbers N and M(2<=N<=100,2<=M<=100) which indicate the size of the labyrinth. Then a N*M two-dimensional array follows, which describe the whole labyrinth. The input is terminated by the end of file. More details in the Sample Input.
Output
For each test case, you should output "God please help our poor hero." if Ignatius can't reach the target position, or you should output "It takes n seconds to reach the target position, let me show you the way."(n is the minimum seconds), and tell our hero the whole path. Output a line contains "FINISH" after each test case. If there are more than one path, any one is OK in this problem. More details in the Sample Output.
Sample Input
5 6 .XX.1. ..X.2. 2...X. ...XX. XXXXX. 5 6 .XX.1. ..X.2. 2...X. ...XX. XXXXX1 5 6 .XX... ..XX1. 2...X. ...XX. XXXXX.
Sample Output
It takes 13 seconds to reach the target position, let me show you the way. 1s:(0,0)->(1,0) 2s:(1,0)->(1,1) 3s:(1,1)->(2,1) 4s:(2,1)->(2,2) 5s:(2,2)->(2,3) 6s:(2,3)->(1,3) 7s:(1,3)->(1,4) 8s:FIGHT AT (1,4) 9s:FIGHT AT (1,4) 10s:(1,4)->(1,5) 11s:(1,5)->(2,5) 12s:(2,5)->(3,5) 13s:(3,5)->(4,5) FINISH It takes 14 seconds to reach the target position, let me show you the way. 1s:(0,0)->(1,0) 2s:(1,0)->(1,1) 3s:(1,1)->(2,1) 4s:(2,1)->(2,2) 5s:(2,2)->(2,3) 6s:(2,3)->(1,3) 7s:(1,3)->(1,4) 8s:FIGHT AT (1,4) 9s:FIGHT AT (1,4) 10s:(1,4)->(1,5) 11s:(1,5)->(2,5) 12s:(2,5)->(3,5) 13s:(3,5)->(4,5) 14s:FIGHT AT (4,5) FINISH God please help our poor hero. FINISH
Author
To The Max
Time Limit : 2000/1000ms (Java/Other) Memory Limit : 65536/32768K (Java/Other)
Total Submission(s) : 6 Accepted Submission(s) : 3
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Problem Description
Given a two-dimensional array of positive and negative integers, a sub-rectangle is any contiguous sub-array of size 1 x 1 or greater located within the whole array. The sum of a rectangle is the sum of all the elements in that rectangle. In this problem the sub-rectangle with the largest sum is referred to as the maximal sub-rectangle.
As an example, the maximal sub-rectangle of the array:
0 -2 -7 0
9 2 -6 2
-4 1 -4 1
-1 8 0 -2
is in the lower left corner:
9 2
-4 1
-1 8
and has a sum of 15.
As an example, the maximal sub-rectangle of the array:
0 -2 -7 0
9 2 -6 2
-4 1 -4 1
-1 8 0 -2
is in the lower left corner:
9 2
-4 1
-1 8
and has a sum of 15.
Input
The input consists of an N x N array of integers. The input begins with a single positive integer N on a line by itself, indicating the size of the square two-dimensional array. This is followed by N 2 integers separated by whitespace (spaces and newlines). These are the N 2 integers of the array, presented in row-major order. That is, all numbers in the first row, left to right, then all numbers in the second row, left to right, etc. N may be as large as 100. The numbers in the array will be in the range [-127,127].
Output
Output the sum of the maximal sub-rectangle.
Sample Input
4 0 -2 -7 0 9 2 -6 2 -4 1 -4 1 -1 8 0 -2
Sample Output
15
Source
Greater New York 2001
Solitaire
Time Limit : 2000/1000ms (Java/Other) Memory Limit : 65536/32768K (Java/Other)
Total Submission(s) : 0 Accepted Submission(s) : 0
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Problem Description
Solitaire is a game played on a chessboard 8x8. The rows and columns of the chessboard are numbered from 1 to 8, from the top to the bottom and from left to right respectively.
There are four identical pieces on the board. In one move it is allowed to:
> move a piece to an empty neighboring field (up, down, left or right),
> jump over one neighboring piece to an empty field (up, down, left or right).
There are 4 moves allowed for each piece in the configuration shown above. As an example let's consider a piece placed in the row 4, column 4. It can be moved one row up, two rows down, one column left or two columns right.
Write a program that:
> reads two chessboard configurations from the standard input,
> verifies whether the second one is reachable from the first one in at most 8 moves,
> writes the result to the standard output.
There are four identical pieces on the board. In one move it is allowed to:
> move a piece to an empty neighboring field (up, down, left or right),
> jump over one neighboring piece to an empty field (up, down, left or right).
There are 4 moves allowed for each piece in the configuration shown above. As an example let's consider a piece placed in the row 4, column 4. It can be moved one row up, two rows down, one column left or two columns right.
Write a program that:
> reads two chessboard configurations from the standard input,
> verifies whether the second one is reachable from the first one in at most 8 moves,
> writes the result to the standard output.
Input
Each of two input lines contains 8 integers a1, a2, ..., a8 separated by single spaces and describes one configuration of pieces on the chessboard. Integers a2j-1 and a2j (1 <= j <= 4) describe the position of one piece - the row number and the column number respectively. Process to the end of file.
Output
The output should contain one word for each test case - YES if a configuration described in the second input line is reachable from the configuration described in the first input line in at most 8 moves, or one word NO otherwise.
Sample Input
4 4 4 5 5 4 6 5 2 4 3 3 3 6 4 6
Sample Output
YES
Source
Southwestern Europe 2002
下沙的沙子有几粒？
Time Limit : 2000/1000ms (Java/Other) Memory Limit : 65536/32768K (Java/Other)
Total Submission(s) : 3 Accepted Submission(s) : 1
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Problem Description
2005年11月份，我们学校参加了ACM/ICPC 亚洲赛区成都站的比赛，在这里，我们获得了历史性的突破，尽管只是一枚铜牌，但获奖那一刻的激动，也许将永远铭刻在我们几个人的心头。借此机会,特向去年为参加ACM亚洲赛而艰苦集训了近半年的各位老队员表示感谢。
实际上，除了获奖以外，在这次比赛期间还有一件事也让我们记忆深刻。那是比赛当天等待入场的时候，听到某个学校的一个队员在说：“有个学校的英文名很有意思，叫什么Hangzhou Dianzi University”. 哈哈，看来我们学校的英文名起的非常好，非常吸引人呀。
不过，事情的发展谁也没有料到，随着杭电英文校名的这一次曝光，影响越来越大，很多人开始对杭电英文校名进行研究，不久以后甚至还成立了一个专门的研究机构，叫做“HDU 校名研究会”。并不断有报道说-相-当-多的知名科学家改行，专门对该问题进行研究，学术界称之为“杭电现象”。很多人在国际知名期刊上发表了研究论文，这其中，尤以中国超级女科学家宇春小姐写的一篇研究报告最为著名，报告发表在science上，标题是“杭电为什么这样红？” 文中研究发现：Hangzhou Dianzi University这个校名具有深刻的哲学思想和内涵，她同时提出了一个大胆的猜想：“假定一个字符串由m个H和n个D组成，从左到右扫描该串，如果字符H的累计数总是不小于字符D的累计数,那么，满足条件的字符串总数就恰好和下沙的沙粒一样多。”
这就是当今著名的“宇春猜想”！
虽然还没能从数学上证明这个猜想的正确性，但据说美国方面在小布什的亲自干预下，已经用超级计算机验证了在（1<=n<=m<=1000000000000）时都是正确的。my god! 这是一个多么伟大的猜想！虽然我们以前总说，21世纪是属于中国的，可还是没想这一天来的这么早，自豪ing... + 感动ing...
感动和自豪之余，问题也来了，如果已知m和n的值，请计算下沙的沙粒到底有多少。
Ps:
1. 中国有关方面正在积极行动，着手为宇春小姐申报诺贝尔奖。
2、“宇春猜想”中提到的H和D组成的字符串现在被学术界成为“杭电串串”（“杭电串串”前不久被一个卖羊肉串的注册了商标，现在我校正在积极联系买断，据说卖方的底价是1000万欧元，绝不打折，看来希望不大，sigh...）
实际上，除了获奖以外，在这次比赛期间还有一件事也让我们记忆深刻。那是比赛当天等待入场的时候，听到某个学校的一个队员在说：“有个学校的英文名很有意思，叫什么Hangzhou Dianzi University”. 哈哈，看来我们学校的英文名起的非常好，非常吸引人呀。
不过，事情的发展谁也没有料到，随着杭电英文校名的这一次曝光，影响越来越大，很多人开始对杭电英文校名进行研究，不久以后甚至还成立了一个专门的研究机构，叫做“HDU 校名研究会”。并不断有报道说-相-当-多的知名科学家改行，专门对该问题进行研究，学术界称之为“杭电现象”。很多人在国际知名期刊上发表了研究论文，这其中，尤以中国超级女科学家宇春小姐写的一篇研究报告最为著名，报告发表在science上，标题是“杭电为什么这样红？” 文中研究发现：Hangzhou Dianzi University这个校名具有深刻的哲学思想和内涵，她同时提出了一个大胆的猜想：“假定一个字符串由m个H和n个D组成，从左到右扫描该串，如果字符H的累计数总是不小于字符D的累计数,那么，满足条件的字符串总数就恰好和下沙的沙粒一样多。”
这就是当今著名的“宇春猜想”！
虽然还没能从数学上证明这个猜想的正确性，但据说美国方面在小布什的亲自干预下，已经用超级计算机验证了在（1<=n<=m<=1000000000000）时都是正确的。my god! 这是一个多么伟大的猜想！虽然我们以前总说，21世纪是属于中国的，可还是没想这一天来的这么早，自豪ing... + 感动ing...
感动和自豪之余，问题也来了，如果已知m和n的值，请计算下沙的沙粒到底有多少。
Ps:
1. 中国有关方面正在积极行动，着手为宇春小姐申报诺贝尔奖。
2、“宇春猜想”中提到的H和D组成的字符串现在被学术界成为“杭电串串”（“杭电串串”前不久被一个卖羊肉串的注册了商标，现在我校正在积极联系买断，据说卖方的底价是1000万欧元，绝不打折，看来希望不大，sigh...）
Input
输入数据包含多个测试实例，每个占一行，由两个整数m和n组成，m和 n 分别表示字符串中H和D的个数。由于我们目前所使用的微机和老美的超级计算机没法比，所以题目给定的数据范围是（1<=n<=m<=20）。
Output
对于每个测试实例，请输出下沙的沙粒到底有多少，计算规则请参考“宇春猜想”，每个实例的输出占一行。
Sample Input
1 1 3 1
Sample Output
1 3
Author
Source
HDU 2006-4 Programming Contest
http://blog.csdn.net/liujiuxiaoshitou/article/details/70327410
Code Lock
Time Limit : 2000/1000ms (Java/Other) Memory Limit : 131072/65536K (Java/Other)
Total Submission(s) : 0 Accepted Submission(s) : 0
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Problem Description
A lock you use has a code system to be opened instead of a key. The lock contains a sequence of wheels. Each wheel has the 26 letters of the English alphabet 'a' through 'z', in order. If you move a wheel up, the letter it shows changes to the next letter in the English alphabet (if it was showing the last letter 'z', then it changes to 'a').
At each operation, you are only allowed to move some specific subsequence of contiguous wheels up. This has the same effect of moving each of the wheels up within the subsequence.
If a lock can change to another after a sequence of operations, we regard them as same lock. Find out how many different locks exist?
At each operation, you are only allowed to move some specific subsequence of contiguous wheels up. This has the same effect of moving each of the wheels up within the subsequence.
If a lock can change to another after a sequence of operations, we regard them as same lock. Find out how many different locks exist?
Input
There are several test cases in the input.
Each test case begin with two integers N (1<=N<=10000000) and M (0<=M<=1000) indicating the length of the code system and the number of legal operations.
Then M lines follows. Each line contains two integer L and R (1<=L<=R<=N), means an interval [L, R], each time you can choose one interval, move all of the wheels in this interval up.
The input terminates by end of file marker.
Each test case begin with two integers N (1<=N<=10000000) and M (0<=M<=1000) indicating the length of the code system and the number of legal operations.
Then M lines follows. Each line contains two integer L and R (1<=L<=R<=N), means an interval [L, R], each time you can choose one interval, move all of the wheels in this interval up.
The input terminates by end of file marker.
Output
For each test case, output the answer mod 1000000007
Sample Input
1 1 1 1 2 1 1 2
Sample Output
1 26
Author
Source
2010 ACM-ICPC Multi-University Training Contest（3）——Host by WHU
迷宫城堡
Time Limit : 2000/1000ms (Java/Other) Memory Limit : 65536/32768K (Java/Other)
Total Submission(s) : 0 Accepted Submission(s) : 0
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Problem Description
为了训练小希的方向感，Gardon建立了一座大城堡，里面有N个房间(N<=10000)和M条通道(M<=100000)，每个通道都是单向的，就是说若称某通道连通了A房间和B房间，只说明可以通过这个通道由A房间到达B房间，但并不说明通过它可以由B房间到达A房间。Gardon需要请你写个程序确认一下是否任意两个房间都是相互连通的，即：对于任意的i和j，至少存在一条路径可以从房间i到房间j，也存在一条路径可以从房间j到房间i。
Input
输入包含多组数据，输入的第一行有两个数：N和M，接下来的M行每行有两个数a和b，表示了一条通道可以从A房间来到B房间。文件最后以两个0结束。
Output
对于输入的每组数据，如果任意两个房间都是相互连接的，输出"Yes"，否则输出"No"。
Sample Input
3 3 1 2 2 3 3 1 3 3 1 2 2 3 3 2 0 0
Sample Output
Yes No
Author
Source
HDU 2006-4 Programming Contest
最后
以上就是优雅大船为你收集整理的省赛前第四次练习（共7道 未完待续）菜鸟在努力。。。。。 Doing Homework again http://blog.csdn.net/liujiuxiaoshitou/article/details/70327794Ignatius and the Princess I To The Max Solitaire 下沙的沙子有几粒？ Code Lock 迷宫城堡的全部内容，希望文章能够帮你解决省赛前第四次练习（共7道 未完待续）菜鸟在努力。。。。。 Doing Homework again http://blog.csdn.net/liujiuxiaoshitou/article/details/70327794Ignatius and the Princess I To The Max Solitaire 下沙的沙子有几粒？ Code Lock 迷宫城堡所遇到的程序开发问题。
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