how to read n

For the right and left end l,r of the legal interval, it is clear that the leftmost L increases with r without decreasing.Maintain a monotone queue for the maximum and minimum values, and if it is illegal, move the L and out of the team.1#include

DescriptionAn l,r graph of n-point m-bars, asking for the number of Unicom blocks in the graph when the number on the edge of [] is reserved.InputThe first line is four integers n, M, K, type, representing the number of points, number of sides,

Describe http://www.lydsy.com/JudgeOnline/problem.php?id=1620n work, each work it takes time, and complete deadline, ask to complete all work, at the latest when to start.Analysis We can think of the time of the two-minute start. For a

Basic balance tree operation, Del+insertThe problem is to record the number in the balance tree and the corresponding number of the book, note that these two are not monotonousWhen you write a balance tree, you are always mentally ill. Always feel

Topic Links:Balancing ACT Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 11845 Accepted: 4993 DescriptionConsider a tree T with N (1 For example, consider the tree:

Topic Links:GT and NumbersTime limit:2000/1000 MS (java/others)Memory limit:65536/65536 K (java/others)problem DescriptionYou are given and numbersNandM.Every step you can get a newNIn the to that multiplyNby a factor ofN.Work out how many steps

4195: [Noi2015] program automatic analysisDescriptionIn the process of automatic analysis of the program, it is often necessary to determine whether some constraints can be satisfied at the same time.consider a simplified version of a constraint

Remember the tower question mentioned in the previous section? Let's work it out together next.912 1510 6 82 18 9 519 7 10) 4 15The above picture is an example of a tower problem. Each time from the top element, that is, 9, each can go to the next

DescriptionYou is given a tree (an acyclic undirected connected graph) with n nodes. The tree nodes is numbered from 1 to n.Each node have a color, white or black. All the nodes is black initially.We'll ask you to perfrom some instructions of the

Test instructionsGive a sequence, find two integers a[i],a[j] to make a[i]-a[j] maximum;Ideas:Go back to the past; water problem;AC Code:#include /*#include #include #include #include #include #include #include #include */using

scanf format control in full format:% * M L or H format character① format characters are used in the printf function in the same way as%d,%o,%x,%c,%s,%f,%e, no%u format, and%g format.② can specify the width of the input data, and the system

«Problem Description:Suppose there is an n-question in a question bank. Each question is marked with the category. There may be multiple category properties for the same topic. Now from the question bank to extract the M-track composition test paper.

"Problem description"A restaurant in successive N days, the first day I need RI block napkins (i=l,2,...,n). The restaurant can get napkins from three different ways.(1) Buy a new napkin, each piece needs p points;(2) Send the used napkin to the

scanf and gets read the stringLearn more about functions such as scanf ()/getchar () and gets ()scanf the difference between reading a string with the Gets functionSee a paragraph today, roughly say get than scanf () quick, a little surprised,

http://acm.hdu.edu.cn/showproblem.php?pid=5780BC #85 1005Ideas:First primitive Simplification:x^gCD(a,b)?? −1 That is, in N, (the number of conventions is the logarithm of i) *x^i-1, where I is 22 greatest common divisor in N. Then the

"Title description"Now ask you to maintain a sequence, the following two operations are required: 1, query operation. Syntax: Q L function: Query the maximum number of L in the number of the end of the current sequence and output the value of this

[Topic link]Http://codeforces.com/problemset/problem/1037/EAlgorithmFirst off-line, consider the problem upside down and convert it to: Delete one edge at a time, and the maximum number of people to travelAssuming that all points are selected, then,

[Topic link]Https://codeforces.com/contest/496/problem/EAlgorithmSort by right endpoint, each song takes precedence over the left end of the largest performerWith std:: set to maintain greedComplexity of Time: O (NLOGN)Code#include using

[Topic link]Https://codeforces.com/contest/1058/problem/EAlgorithmObviously, we just need to consider the binary representation of each number in the sequence as the number of the next 1. It may be useful to make the AI represent the number of

1004 Results Rankings (20 points)Read n (>0) Students ' names, school numbers, and grades, respectively, with the highest and lowest grade students ' names and school numbers. Input format:Each test input contains 1 test cases in the form第 1