sudoku 9x9

This arctical'll also is published in 中文版 at http://www.cnblogs.com/LarryAtCNBlog/p/4307965.htmlSudoku is a crossword puzzle, widely known is the 9x9 type, the following is an algorithm, that is, each time from the number of can be determined to calculate the possible values of the peer or the same column, if the possible value is only 1, then you can directly determine the value of the cell, if the number of possible values is greater than or equal t

Sudoku is a numbers filling game, most known by people are 9x9 class, the algorithm is using confirmed numbers-get all P Ossible numbers for each cell, if the number if possible numbers for a cell was 1, then the cell value confirmed, if Greate R or equal than 2, script makes loop and calculates a potential answer. Since answers is isn't unique, so a parameter was added to specify what many answers to retur

#include int Main (void int I , J; for (I=1 ; I9 ; I++ for (j=1 ; J " Span style= "color: #800000;" >%d*%d=%-3d , J,i,i*j); printf ( \n " ); }}The results are as follows:1*1=11*2=2 2*2=41*3=3 2*3=6 3*3=91*4=4 2*4=8 3*4=12 4*4=161*5=5 2*5=10 3*5=15 4*5=20 5*5=251*6=6 2*6=12 3*6=18 4*6=24 5*6=30 6*6=361*7=7 2*7=14 3*7=21 4*7=28 5*7=35 6*7=42 7*7=491*8=8 2*8=16 3*8=24 4*8=32 5*8=40 6*8=48 7*8=56 8*8=641*9=9 2*9=18 3*9=27 4*9=36 5*9=45 6*9=54 7*9=63 8*9=72 9*9=81Output

Sudoku games require the number of 1~9 to be filled in a 9x9 grid, so that there are no duplicate numbers in each row, column, or nine 3x3 sub-regions.With a little thought, I wrote the first solution. This approach can be referred to as backtracking in the context of Wikipedia 1. The idea is simple, and sequentially scans each space to fill in numbers:1. Fill in the first space with "1" to check if the num

#include 　　 Describe Problem Description: Sudoku (Sudoku) is a popular digital logic game. The player needs to calculate the number of all remaining spaces according to the known numbers on the 9x9 disk, and the numbers in each row, each column, and in each of the rough lines are 1-9 and do not repeat.Input:An array of

Topic:Judging whether Sudoku is legalplease determine if a Sudoku is valid.The Sudoku may only be populated with partial numbers, where missing numbers are used. Said. Sample Example The following is an example of a legal sudoku. Note that a valid Sudoku (partial padding on

Title Link: Valid-sudokuImport java.util.arrays;/** * Determine if a Sudoku is valid, according To:sudoku puzzles-the rules.the Sudoku Board Co Uld be partially filled, where empty cells is filled with the character '. A partially filled sudoku which is valid. Note:a Valid Sudoku board (partially filled) is not necessa

another English name peers20. Candidate Number of candidates In a dag, the number 1-9 that has not been excluded is called the number of candidates. When only one candidate number is left in a grid, or only one number grid in a house has a certain number of candidates, this number of candidates is the only candidate number for this number grid. Rule Description for Sudoku games Each row in a

Sudoku KillerTime limit:2000/1000 MS (java/others) Memory limit:65536/32768 K (java/others)Total submission (s): 6283 Accepted Submission (s): 1981Problem description Since the first Sudoku World Championship from March 10, 2006 to 11th, Sudoku has become increasingly popular and valued.It is said that at the 2008 Beijing Olympic Games, the

hdoj on the topic: Problem Description since the first Sudoku World championships from March 10, 2006 to 11th, Sudoku has become more and more popular with people. It is said that in the 2008 Beijing Olympic Games, the Sudoku will be listed as a separate project to compete, the champion will have the possibility to obtain a huge prize ——— HDU free 7th Tour plus

Problem Description: Given the 9x9 matrix, see whether it is a valid Sudoku, not all are filled with numbers, can be.Algorithm analysis: This problem is judged, not difficult, effective Sudoku three sufficient conditions, rows, columns, 3*3 sub-matrix, all to meet the number can not be repeated.1 Public BooleanIsvalidsudoku (Char[] board)2 {3 if(boar

Sudoku is a logic game that uses paper and pens to make calculations. Players need to infer the number of all remaining spaces according to the known numbers on the 9x9 disk, and the numbers in each row, each column, and in each of the rough lines are 1-9 and do not repeat . To exclude the law, the Sudoku plate is a nine, each house is divided into nine small lat

The rule of Sudoku is this: In a 9x9 box, you need to fill in the number 1-9 into a space, and make each row and column of the square contain 1-9 of these nine numbers. Also ensure that the space in the thick line divided into 9 3x3 squares also contains 1-9 of these nine numbers. For example, if you have such a problem, you can take a closer look at each line, each column, and each 3x3 square contains 1-9

Introduced Apple in the IOS7 BETA4 version has begun to improve the input method, and added nine Sudoku keyboard. This let the whole of the iOS full keyboard devastated Chinese are ecstatic, the author of several fruit powder friends are also feeling "finally do not escape!" "Then IOS7 official version of the nine Sudoku Input method exactly how to set it?" Advantages The iphone's screen is small, the ke

Use STL to implement deep search and wide search -- Sudoku (Sudoku) Example (1)Previously, we used STL containers to implement simple DFS and BFS algorithms. to check their effectiveness, we chose a game-the sudoku Sudoku to implement a simple (but inefficient) process) to test the two DFS and BFS algorithms. Some frie

method for distributed Systems", as I wrote. 〈81digits〉 is Sudoku's chessboard, 9x9 number, unknown number in 0. If the Sudoku has a solution, then the response is a chessboard filled with numbers, and if there is no solution, return nosolution. Example 1: Request: 000000010400000000020000000000050407008000300001090000300400200050100000000806000/r/n Request: a:000000010400000000020000000000050

Sudoku game in the square of the 9x9, divided into 3x3 small squares, known as the "district." Sudoku begins with a grid that has been filled in with numbers. The goal of Sudoku is to fill spaces with numbers between 1 and 9 according to the following rules: Each number can appear only once per row, in each column,

"036-valid Sudoku (verified sudoku chessboard)""leetcode-Interview algorithm classic-java Implementation" "All topics Directory Index"Original QuestionDetermine if a Sudoku is valid, according To:sudoku puzzles-the Rules.The Sudoku board could be partially filled, where empty cells is filled with the character ‘.‘ .　　

Determine if a Sudoku is valid, according To:sudoku puzzles-the Rules.The Sudoku board could be partially filled, where empty cells is filled with the character ‘.‘ .A partially filled sudoku which is valid.Note:A Valid Sudoku board (partially filled) is not necessarily solvable. Only the filled cells need to be valida

foreground : Sudoku game, is a mathematical puzzle game, is the abbreviation of "Independent digital game", originated in Switzerland at the end of 18th century, after the development in the United States, in Japan to flourish.Sudoku game can train the player's logic reasoning ability, many educators think Sudoku is a good way to exercise their brains.But how to make this game? The first thing to know about