vostro 3450

Source: http://acm.hdu.edu.cn/showproblem.php? PID = 1, 3450 Question: give some numbers and ask how many sets are there. The absolute value of the difference between adjacent numbers is less than D. Idea: Tree array. After finding the upper and lower bounds, it is the same as HDU 2227. The method for finding the upper and lower bounds is binary. Code: #include

contribution to the expectation, it is assumed that in the processing of the position I, I have a continuous o, which can be considered a special case. 　　 Suppose this bit is o then? i = (l + 1) ^ 2-l ^ 2 = 2 * l + 1, while taking expected E (? i) = 2 * E (L) + 1;Suppose this bit is x then? i = 0;Suppose this one is? Then E (? i) = P1 * X1 + p0 * X0 (where P1 is the probability of taking one of the bits, P0 is the probability of taking 0, X1 for this bit to take 1 of the score changes, X0 the s

Click to open linkTest instructions: Give a sequence of numbers, and ask you that the absolute value of the difference between the two adjacent number is greater than 2, and the 9901Train of thought: see not at all, did not think is the topic of line tree, weak cry ~ ~ ~, see the solution of Daniel, is to know how the matter, for the current number A, then it is the last element can be composed of the situation is a-d to a+d and, can also think, A-d has formed the M kind of situation, Then in th

the city. Group I is located at different (X i , Y i ) and contains W i soldiers. After days T0 , all the enemy would begin to attack the city. Before it, the railgun can fire artillery shells to them.The Railgun is located at ( X0 , Y0 ), which can fire one group at one time, the artillery shell would fly straightly to The enemy. But in case there is several groups in a straight line, the railgun can only eliminate the nearest one first if Doraemon Wants to attack further one. It took T days t

each trademark would be at least 1 and at most C Haracters.After the last trademark, the next task begins. The last task was followed by a line containing zero.OutputFor each task, output a single line containing the longest string contained as a substring in all trademarks. If there is several strings of the same length, print the one and that is lexicographically smallest. If There is no such non-empty string, output the words "IDENTITY LOST" instead.Sample Input3aabbaabbabbababbbbbbbabb2xyza

BZOJ 3450: Tyvj1952 Easy, bzojtyvj1952 Time Limit: 10 Sec Memory Limit: 128 MB Submit: 874 Solved: 646 [Submit] [Status] [Discuss] Description One day, WJMZBMR is playing osu ~~~ But he is too weak, and in some places he depends entirely on luck :(Let's simplify the rules of this game.There are n clicks to do. If the operation succeeds, it is o. If the operation fails, it is x. The score is calculated by comb. For a consecutive comb, there is a *

each trademark would be at least 1 and at most C Haracters.After the last trademark, the next task begins. The last task was followed by a line containing zero.OutputFor each task, output a single line containing the longest string contained as a substring in all trademarks. If there is several strings of the same length, print the one and that is lexicographically smallest. If There is no such non-empty string, output the words "IDENTITY LOST" instead.Sample Input3aabbaabbabbababbbbbbbabb2xyza

3450:tyvj1952 Easy Time limit:10 Sec Memory limit:128 MBsubmit:468 solved:353[Submit] [Status] [Discuss] DescriptionOne day WJMZBMR is playing osu~~~ but he is too weak to push, some places entirely by luck: (Let's simplify the rules of the game.Have n click to do, success is O, failure is x, score is calculated according to comb, continuous a comb there is a*a points, comb is a great continuous o.Like Ooxxxxooooxxx, the score is 2*2+4*4=4+16

Question link: http://acm.hdu.edu.cn/showproblem.php? PID = 1, 3450 Counting Sequences Time Limit: 2000/1000 MS (Java/others) memory limit: 32768/65536 K (Java/Others)Total submission (s): 1815 accepted submission (s): 618 Problem descriptionfor a set of sequences of integers {A1, A2, A3 ,... an}, we define a sequence {aI1, ai2, ai3... AIK} in which 1 Inputmultiple test cases the first line will contain 2 integers n, D (2 Outputthe Number of perfect

Hdu 3450 tree array optimized dp I won't talk about the meaning of the question; hdu2227 is almost just that this question is not incremental, but the adjacent difference is not greater than d. In fact, they are the same and there are also differences; This question does not contain a range and the size relationship between trees has an impact on the results. Therefore, the original id is used in the tree array. Due to the large number of values, the

Http://poj.org/problem? Id = 3450 I did this during my vacation. At that time, I used KMP. This time I used a suffix array. Concatenate n strings and separate them with different characters that do not appear in the input string. Separate each character in The New String according to the region of the atomic string and mark it with the LOC array. The length of a binary common substring. Check whether the height values of N consecutive Suffixes in the

Hdu 3450 tree array optimized dp and hdu3450 I won't talk about the meaning of the question; hdu2227 is almost just that this question is not incremental, but the adjacent difference is not greater than d. In fact, they are the same and there are also differences; This question does not contain a range and the size relationship between trees has an impact on the results. Therefore, the original id is used in the tree array. Due to the large number of

Label: style blog Io ar OS for SP on 2014 Enumerate all substrings of a string and match other strings. # Include POJ-3450 impersonate identity