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situation. A player is a winner if and only if he can get a bigger score according to his jumping solution. Note that your score comes from the sum of value on the chessmen in you jumping path.Your task is to output the maximum value according to the given Chessmen list.InputInput contains multiple test cases. Each test case was described in a line as follow:N value_1 value_2 ... value_nIt is guarantied, that N was not more than, and all value_i be in the range of 32-int.A test case, starting w
Dip: Device Independent pixels (device independent pixel ). Different devices have different display effects, which are related to the hardware of the device. We recommend that you use this function to support WVGA, hvga, and qvga without pixels.Density-independent pixels, an abstract unit based on the physical density of the screen. Density can be understood as the number of pixels per inch (unit: DPI). 1dp is actually equivalent to a point on the screen with a density of DPI (can it be underst
http://acm.hdu.edu.cn/showproblem.php?pid=5791Bothproblem DescriptionAlice Gets the sequences A and B. A easy problem comes. How many pair of sequence A ' and sequence B ' is same. For example, {the} and {same} are. {1,2,4} and {1,4,2} is not same. A subsequence of a. B ' is a subsequence of B. The subsequnce can is not continuous. For example, {1,1,2} has 7 subsequences {1},{1},{2},{1,1},{1,2},{1,2},{1,1,2}. The answer can be very large. Output the answer mod 1000000007.Input The input contains
Question link: http://acm.zju.edu.cn/onlinejudge/showProblem.do? Problemid = 4255 The idea of DP is that if you want to access [I, j], its subintervals must have been accessed. Use DP [I] [J] [0] to indicate the access interval [I, j] and leave it at the left endpoint, DP [I] [J] [1] indicates the access interval [I, j] and remains at the right endpoint. Ad
1. One-dimensional array for maximum sub-segments and; (hdu1003,hoj1760) This is the most basic of the largest sub-segments and models: given a sequence a[0],a[1],a[2],... a[n], requiring a continuous paragraph, so that the sum of the largest. If you set Dp[i] to represent the largest sum ending with the first element, then there are obviously:Dp[i] = Dp[i-1] + a[i] (Dp
Original article in the black book: All content in this section is very important, especially for examples. readers who are determined to master DP should grasp all the time. The difficulty in this section is the understanding of the model, including some difficult questions and some problems in the dynamic planning theory. After learning this section, you should be able to complete your ideas for each question in a short time. For most questions, you
Tree-shaped DP ...DP (x, 0) indicates node x does not put soldiers, controlled by the father;DP (x, 1) indicates node x does not put soldiers, controlled by the son;The DP (x, 2) represents the node X put the soldier.-------------------------------------------------------------------------------------#include #include
group as the 01 backpack. Remember to copy the results of the previous Group because this group is optional.There is a trick in this question, that is, the capacity starts from 0, which is different from the conventional capacity starting from 1. Pay attention to the lower bound in the for loop. Test data:1 02 00 10 2 1 02 20 10 2 1 10002 01 12 2 Code:[Cpp]# Include # Include # Deprecision MAX 102# Define max (a, B) (a)> (B )? (A): (B)Int ans, dp [MA
A DP simulation problem.Give n boards and an initial coordinate xy, starting from X, Y, and jumping down, with a maximum hop-down distance.Both walking and jumping on the board are time consuming. Calculates the shortest time to reach the ground.Sort the boards by heightDp[i][0] Indicates the time to reach the left edge of Block I, dp[i][1] indicates the time to reach the right edge.Then
neighboring levels cannot be picked at the same time.The DP expression is: Dp[i][0]=∑max (dp[son][0],dp[son][1]); dp[i][1]=∑dp[son][0];But the problem is that there may be rings (at least 3 elements on the ring).If there is a rin
Test instructions: 0~30000 There are 30,001 places, each place has one or more gold coins, the first step to D, the step size is D, the step after walk can be the last step +1,-1 or unchanged, go to a place to collect the wealth of that place, and now ask to go out (>30000) The maximum amount of wealth that can be collected before.Solution: It is easy to think of Dp,dp[i][j] to arrive at I, now the step is
Output5SourceUral State University Internal Contest October ' th Students session pressure is too difficult, first do the tree-like DP test instructions: A university to open a party, there are n people, everyone has their own pleasure value, If someone's boss is present, the person will be very disappointed, so the boss and subordinates can only go to one, ask how to arrange the most pleasant value.Analysis: Dp
description of the colors of the vertices: n integers x0, x1, ..., xn -1 (xi is either 0 or 1). If xi was equal to 1, vertex i was colored black. Otherwise, vertex i was colored white. OutputOutput a single integer-the number of ways to split the tree modulo 1000000007 (9 + 7). Sample Test (s) input30 00 1 1Output2Input60 1 1) 0 41 1 0 0 1 0Output1Input100 1 2 1 4 4 4 0 80 0 0 1 0 1 1 0 0 1Output27Test instructions: Dyeing each node, white or black, ask you to disconnect certain
The main topic: there is a fat man playing the dance machine, the beginning of the position in (0,0), the dance machine has four direction keys, on the left lower right respectively corresponding to 1,2,3,4. Now there are the following rules1. If moving from 0 position to any four position, energy consumption 22. If you jump from a non-0 position to an adjacent position, such as 1 jumps to 2 or 4, consumes energy 33. If jumping from non-0 position to opposite position, such as 2 jump to 4, energ
instructions: There are n points and M Street, each point can be installed a street light, each street must have at least one lamp at both ends, ask at least how many lights, if the number of lights in the same situation, up to how many streets can have street lights at both ends.Idea: A simple tree dp, which is probably more than just a tree. Dp[u][0 1][k] indicates that the U-node does not install/instal
ChannelTest instructions: Edge tree, there are M points is dangerous, now want to divide the tree into m block so that there is just one dangerous point in each block, ask the minimum cost is how muchIdeas:Dp[i][0|1 with the I node as the root node of the subtree, I is located in the connected block without (there) the minimum cost of the dangerous node;If I is a leaf node: If I is a danger point dp[i][0] = inf,dp
61 30 3 2 3 42 16 2 5 63 5 04 4 05 11 06 5 0 Sample Output 25 Problem Solving Ideas:A tree-type DP problem, respectively, using dp[i][0] to show I-point guard, dp[i][1] means I point not put guard I point by son surveillance, dp[i][2] means I point not put guard I
selected several similar problems for you: 3554 3556 3557 3558 3559 Solution: How many numbers contain "49" from integer 1 to n? For example, n = 500, then "49", "149", "249", "349", "449", "490", "491", "492 ", "493", "494", "495", "496", "497", "498", "499 ",So the answer is 15. In addition to solving the problem of digital DP, there was no idea of digital DP at the beginning .. Then I went to the Inter
Links:http://acm.hdu.edu.cn/showproblem.php?pid=2196Test instructions: Start with a computer, then add N-1 computer (N What is required is the maximum distance between each computer and the other computer;Idea: After building the DFS, this can be found at each point as the root node to the maximum distance of the leaf node; I put the chain at the root of that point as a heavy chain;Now consider the other case, the same parent node, not the point on the heavy chain through the parent node to upda
Problem Descriptionn people in a circle in the discussion of the big sweep of things, need to elect the K-man. But everyone has a contradiction with his distance of 2 people, so the distance of any two of the K-man cannot be 2, and they want to know how many methods there are.InputThe first line contains a number T (tNext, there are two numbers n,k,n for each line, and K indicates the number of people needed (1OutputThe output satisfies the test instructions scheme number, the scheme number is v
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