# sudoku problem solver

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### [Leetcode 36&amp;37] Valid Sudoku &amp; SudokuSolver (Sudokuproblem)

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

### Leetcode problem Notoginseng--SudokuSolver

Solving SudokuWrite a program to solve a Sudoku puzzle by filling the empty cells.Empty cells is indicated by the character ‘.‘ .Assume that there would be is only one unique solution.A Sudoku Puzzle ...Ideas:Search Plus pruning.First set up 3 auxiliary two-dimensional arrays: rows, columns, grids to maintain the current Sudoku State, Rows[i][k] (1It then reads t

### [Leetcode] SudokuSolver Solving Sudoku

Write a program to solve a Sudoku puzzle by filling the empty cells.Empty cells is indicated by the character ‘.‘ .Assume that there would be is only one unique solution.A Sudoku Puzzle ...... and its solution numbers marked in red.The problem of solving Sudoku is the extension on the basis of the previous Valid

### The implementation method of C + + for programming beauty SudokuSolver

Programming the beauty of the first chapter of the 15th section, talking about the construction of Sudoku, a start to get this problem really no idea, but read the book in the introduction, found that the original solution of the idea and the N queen problem is consistent, but do not know why, anyway, at first did not think of this backtracking method, know that

### [Leetcode] SudokuSolver

Write a program to solve a Sudoku puzzle by filling the empty cells. Empty cells are indicated by the character‘.‘. You may assume that there will be only one unique solution. A Sudoku puzzle... ... And its solution numbers marked in red. The sudoku solver was finally reached. With the basis of valid

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### Leetcode---37. SudokuSolver

Title Link: Sudoku SolverWrite a program to solve a Sudoku puzzle by filling the empty cells.Empty cells is indicated by the character '.Assume that there would be is only one unique solution.The requirement of this problem is to fill Sudoku, where empty position with '. ' Filled, with a unique solution.This is a valid

### Leetcode DFS SudokuSolver

Sudoku Solver Total accepted:11799 Total submissions:56732 My submissions Write a program to solve a Sudoku puzzle by filling the empty cells. Empty cells are indicated by the character'.'. You may assume that there will be only one unique solution. A Sudoku puzzle... ... And its solution numbers marked in

### Leetcode SudokuSolver

Write a program to solve a Sudoku puzzle by filling the empty cells.Empty cells is indicated by the character ‘.‘ .Assume that there would be is only one unique solution.A Sudoku Puzzle ...... and its solution numbers marked in red.For this problem, we need to be tempted to do, for "." Place, we try different numbers to see if this is a valid

### [Leetcode] [Java] SudokuSolver

Title:Write a program to solve a Sudoku puzzle by filling the empty cells.Empty cells is indicated by the character ‘.‘ .Assume that there would be is only one unique solution.A Sudoku Puzzle ...... and its solution numbers marked in red.Test Instructions:Write a program to solve Sudoku problems by filling in whitespace.These spaces are characters‘.‘填充。You can as

### [Leetcode] [Python]37:sudokuSolver

#-*-Coding:utf8-*-‘‘‘__author__ = ' [email protected] '37:sudoku Solverhttps://oj.leetcode.com/problems/sudoku-solver/Write a program to solve a Sudoku puzzle by filling the empty cells.Empty cells is indicated by the character '.Assume that there would be is only one unique solution.===comments by dabay===Progressive

### [Leetcode] (python): 037-sudokuSolver

Source of the topic:https://leetcode.com/problems/sudoku-solver/ Test Instructions Analysis:This topic is the evolutionary version of the previous question. Fill out a Sudoku. Topic Ideas:This problem is solved directly with DFS violence. Please fill in the "*" with (1-9) directly. The complexity of time is

### Leetcode Notoginseng SudokuSolver (C,c++,java,python)

Solvesudoku (vectorPython source code (636MS):Class Solution: # @param {character[][]} board # @return {void} do not return anything, modify board In-place Instea D. def solvesudoku (self, Board): self. SudoKu (board,0,0) def SudoKu (self,board,i,j): If I==8 and J==9:return True if j==9:i+=1;j=0 if boa Rd[i][j]!= '. ': if self. SudoKu (board,i,j+1

### [Leetcode] SudokuSolver

+'1'; if(IsValid (board,i,j)) DFS (board); if(!flag)//If no workable solution is found, the restorationBOARD[I][J] ='.'; Else //have found a workable solution, return directly, not continue the next cycle return; } if(k==9)//Maintenance If the fill 1-9 is not satisfied, the previous results have a problem return; } if(i==8 j==8)//found a workable solution.Fl

### [Leetcode] SudokuSolver

Problem Description:Write a program to solve a Sudoku puzzle by filling the empty cells.Empty cells is indicated by the character ‘.‘ .Assume that there would be is only one unique solution.A Sudoku Puzzle ...... and its solution numbers marked in red.Basic idea:Search by backtracking.Code: BOOL Sudoku (int row, int

### [Leetcode] SudokuSolver @ Python

Original title address: https://oj.leetcode.com/problems/sudoku-solver/Test instructionsWrite a program to solve a Sudoku puzzle by filling the empty cells.Empty cells is indicated by the character ‘.‘ .Assume that there would be is only one unique solution.A Sudoku Puzzle ...... and its solution numbers marked in red.

### Leetcode SudokuSolver

Title Address: https://leetcode.com/problems/sudoku-solver/Problem Analysis: Use the most stupid method, the line priority traversal need to fill the empty, use 1 to 9 to try, and then determine whether to meet the conditions, if not meet the criteria to try the next number, if the condition is eligible to try to fill the next empty. Implemented using recursive m

### [Leetcode] Sudokusolver (iteration)

Write a program to solve a Sudoku puzzle by filling the empty cells. Empty cells are indicated by the character‘.‘. You may assume that there will be only one unique solution. A Sudoku puzzle... ... And its solution numbers marked in red. Method: the key to solving this problem is to try it one by one in the alternative set. Not every space can start with a u

### 037 SudokuSolver

037 Sudoku SolverThis problem I pure violence search certainly can optimize, too lazy to see ...classSolution:def __init__(self): self.b= [] defSolvesudoku (self, Board): self.b=board[:] Self.solve (0, 0) forIinchRange (0,9): forJinchRange (0,9): Board[i][j]=Self.b[i][j]defSolve (self, I, j):ifJ >= 9: returnSelf.solve (i+1, 0)ifi = = 9: returnTrueifSELF.B[I][J] = ='.

### LeetCode: SudokuSolver, leetcodesudoku

LeetCode: Sudoku Solver, leetcodesudoku Sudoku Solver Total Accepted: 13937 Total Submissions: 66832My Submissions Write a program to solve a Sudoku puzzle by filling the empty cells. Empty cells are indicated by the character'.'. You may assume that there will be only one

### SudokuSolver, sudokusolver

Sudoku Solver, sudokusolver Solving the sudoku Problem class Solution {public: bool isValid(vector

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