how to read n

[Topic link]https://www.lydsy.com/JudgeOnline/problem.php?id=1059AlgorithmMaximum matching of binary graphsComplexity of Time: O (n^3)Code#include using namespacestd;#defineMAXN 210structedge{intto, NXT;} E[MAXN*MAXN];intn,

[Topic link]Https://codeforces.com/contest/475/problem/BAlgorithmRun the Tarjan algorithm to determine if the number of strongly connected components is 1Time complexity: O (NM)Code#include using namespacestd;#defineMAXN 410structedge{intto, NXT;} E[

Previous questions Error notesTime limit: 1.0s memory limit: 256.0MBProblem DescriptionA certain secret unit issued a certain instrument, and to be fully recovered at the end of the year.Each ticket has a unique ID number. All year round the ID

20th IO LibraryThe I/O library provides two modes for file operations. The simple model has a current input file and a current output file, and provides actions related to those files. The complete model is implemented using an external file handle.

1458: Soldiers occupy time limit:10 Sec Memory limit:64 MBsubmit:782 solved:456[Submit] [Status] [Discuss] DescriptionThere is a board of M * N, and some lattices are obstacles. Now you have to choose some of the squares to put some

TCP sticky packet problemBecause the TCP protocol is a byte-stream-based, non-boundary transport protocol, there is a high likelihood of sticky-packet problems, which are described below. For host A to send the M1 and M2 two each 10K data block,

This problem is a mathematical problem, by the title, m stable number of the way is CNMThen the book is left N-m, because the book numbered I cannot be placed in the I position, so its method number should be determined by the wrong row formula,

DescriptionGiven a graph of n vertex m edges (vertex numbered,..., N) with weights on each edge. The ownership value can be decomposed into 2^a*3^bThe form. Now there are Q queries, each time you ask for a given four parameters U, V, a and B, please

Aeroplane ChessTime limit:2000/1000 MS (java/others) Memory limit:32768/32768 K (java/others)Problem Descriptionhzz loves aeroplane chess very much. The chess map contains n+1 grids labeled from 0 to N. Hzz starts at grid 0. For each step he throws

True StoryI hold a diary of the attitude at hand to write, we please look at the novel's mood casually.----------------------------Start--------------------------------I'm a Libra. The fabled sign of indecision.The reason for Beijing is also very

1. Full Write 1 (write all, read one)Full Write 1 is the most intuitive copy control rule. When writing, only the copy is successful, only if it is written successfully. In this way, it is only necessary to read the data from one of the replicas to

D-crazy TankTime limit:1000MS Memory Limit:32768KB 64bit IO Format: %i64d &%i64u DescriptionCrazy Tank was a famous game about ten years ago. Every child liked it. Time flies, children grow up, but the memory of happy childhood would never go.

Title Description DescriptionXiao Ming has a new type of building blocks, each building has a number, one day Xiao Ming whim, if all the building blocksIn a row, what is the maximum number of forms?Your task is to read n number bricks to find out

The key to the use of nextline () and Next () is that when the next () method encounters the first valid character (not a space, newline character), the scan begins, and when the first delimiter or terminator (space or line break) is met, the scan

DivisionTime limit:10000/5000 MS (java/others) Memory limit:999999/400000 K (java/others)Total submission (s): 3984 Accepted Submission (s): 1527Problem Descriptionlittle D is really interested in the theorem of sets recently. There ' s a problem

Title Description:An integer can be split into the sum of 2 powers, for example: 7 = 1+ 2 + 4 7 = 1 + 2 + 2 + 2 7 = 1 + 1 + 1 + 4 7 = 1 + 1 + 1 + 2 + 2 7 = 1 + 1 + 1 + 1 + 1 + 2 7 = 1 + 1 + 1 + 1 + 1 + 1 + 1 There are six different ways to

1445Send Q Coinstime limit: 1 sspace limit: KBtitle level: Diamonds Diamond SolvingView Run ResultsTitle DescriptionDescriptionOnce in the process of playing online games, the team's joint efforts to complete the task of customs clearance, in order

DescriptionWind See fragrance has a good friend called Eight clouds purple, they often together to see the moon from the poetry of the song Fu talked aboutPhilosophy. Recently, they brainwave to open a small shop in Gensokyo to make some money in

O (NK) brute force a hash of all the substrings, and then discretization of the hash value line tree, is the Chairman tree Classic practice. Total time Complexity O (nk+ (n+q) logn)---------------------------------------------------------------------

From the outside 1.1 points to the inside expansion (FloodFill), each time to find the smallest point, calculate its contribution to the answer is good ...If you find the smallest point, just PQ.1 /****************************************************