Sudoku Solver

Add Answer

CodeBlack reactor answered on August 17, 2022 Popularity 8/10 Helpfulness 1/10

answer Sudoku Solver

related Sudoku Solver

related solve the sudoku

related Sudoku Solver

Closely Related Answers

Sudoku Solver

Comment

#include <iostream>

#include <vector>

using namespace std;

bool isValid(vector < vector < char >> & board, int row, int col, char c) {
  for (int i = 0; i < 9; i++) {
    if (board[i][col] == c)
      return false;

    if (board[row][i] == c)
      return false;

    if (board[3 * (row / 3) + i / 3][3 * (col / 3) + i % 3] == c)
      return false;
  }
  return true;
}

bool solveSudoku(vector < vector < char >> & board) {
  for (int i = 0; i < board.size(); i++) {
    for (int j = 0; j < board[0].size(); j++) {
      if (board[i][j] == '.') {
        for (char c = '1'; c <= '9'; c++) {
          if (isValid(board, i, j, c)) {
            board[i][j] = c;

            if (solveSudoku(board))
              return true;
            else
              board[i][j] = '.';
          }
        }

        return false;
      }
    }
  }
  return true;
}
int main() {
    vector<vector<char>>board{
        {'9', '5', '7', '.', '1', '3', '.', '8', '4'},
        {'4', '8', '3', '.', '5', '7', '1', '.', '6'},
        {'.', '1', '2', '.', '4', '9', '5', '3', '7'},
        {'1', '7', '.', '3', '.', '4', '9', '.', '2'},
        {'5', '.', '4', '9', '7', '.', '3', '6', '.'},
        {'3', '.', '9', '5', '.', '8', '7', '.', '1'},
        {'8', '4', '5', '7', '9', '.', '6', '1', '3'},
        {'.', '9', '1', '.', '3', '6', '.', '7', '5'},
        {'7', '.', '6', '1', '8', '5', '4', '.', '9'}
    };
   
    solveSudoku(board);
        	
    for(int i= 0; i< 9; i++){
        for(int j= 0; j< 9; j++)
            cout<<board[i][j]<<" ";
            cout<<"\n";
    }
    return 0;
}

Popularity 10/10 Helpfulness 3/10 Language cpp

Source: takeuforward.org

Tags: c++

Link to this answer
Share Copy Link

Contributed on Sep 08 2022

Ugliest Unicorn

0 Answers Avg Quality 2/10

solve the sudoku

Comment

//User function Template for Java

class Solution
{
    static boolean isSafe(int[][] grid,int row,int col,int v){
      for(int i=0;i<9;i++){
          if(grid[i][col]==v)return false;
          if(grid[row][i]==v)return false;
          if(grid[3*(row/3)+i/3][3*(col/3)+i%3]==v)return false;
      }
      return true;
  }
    //Function to find a solved Sudoku. 
    static boolean SolveSudoku(int grid[][])
    {
        // add your code here
        for(int i=0;i<9;i++){
          for(int j=0;j<9;j++){
              if(grid[i][j]==0){
                  for(int v = 1;v<=9;v++){
                      if(isSafe(grid,i,j,v)){
                          grid[i][j]=v;
                          if(SolveSudoku(grid)){
                              return true;
                          }
                          else{
                              grid[i][j]=0;
                          }
                      }
                  }
                  return false;
              }
          }
      }
      return true;
    }
    
    //Function to print grids of the Sudoku.
    static void printGrid (int grid[][])
    {
        // add your code here
        for(int i=0;i<9;i++){
          for(int j=0;j<9;j++){
              System.out.print(grid[i][j]+" ");
          }
         }
    }
}

Popularity 9/10 Helpfulness 2/10 Language whatever

Source: Grepper

Tags: sudoku su

Link to this answer
Share Copy Link

Contributed on Oct 18 2022

Sumit Rawal

0 Answers Avg Quality 2/10

Sudoku Solver

Comment

class Solution {
    public void solveSudoku(char[][] board) {
        
    }
}

Popularity 9/10 Helpfulness 1/10 Language java

Source: Grepper

Tags: java solver

Link to this answer
Share Copy Link

Contributed on Aug 17 2022

CodeBlack reactor

0 Answers Avg Quality 2/10

Sudoku Solver

Comment

class Solution {
public:
    void solveSudoku(vector<vector<char>>& board) {
        
    }
};

Popularity 9/10 Helpfulness 1/10 Language cpp

Source: Grepper

Tags: c++ solver s

Link to this answer
Share Copy Link

Contributed on Aug 17 2022

CodeBlack reactor

0 Answers Avg Quality 2/10

Sudoku Solver

Comment


void solveSudoku(char** board, int boardSize, int* boardColSize){

}

Popularity 9/10 Helpfulness 1/10 Language c

Source: Grepper

Tags: c solver sol

Link to this answer
Share Copy Link

Contributed on Aug 17 2022

CodeBlack reactor

0 Answers Avg Quality 2/10

Sudoku Solver

Comment

public class Solution {
    public void SolveSudoku(char[][] board) {
        
    }
}

Popularity 9/10 Helpfulness 1/10 Language csharp

Source: Grepper

Tags: c# solver s

Link to this answer
Share Copy Link

Contributed on Aug 17 2022

CodeBlack reactor

0 Answers Avg Quality 2/10

Sudoku Solver

Comment

/**
 * @param {character[][]} board
 * @return {void} Do not return anything, modify board in-place instead.
 */
var solveSudoku = function(board) {
    
};

Popularity 8/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: javascript j

Link to this answer
Share Copy Link

Contributed on Aug 17 2022

CodeBlack reactor

0 Answers Avg Quality 2/10

Sudoku Solver

Comment

class Solution {
    func solveSudoku(_ board: inout [[Character]]) {
        
    }
}

Popularity 8/10 Helpfulness 1/10 Language swift

Source: Grepper

Tags: solver so

Link to this answer
Share Copy Link

Contributed on Aug 17 2022

CodeBlack reactor

0 Answers Avg Quality 2/10

Sudoku Solver

Comment

class Solution {

    /**
     * @param String[][] $board
     * @return NULL
     */
    function solveSudoku(&$board) {
        
    }
}

Popularity 9/10 Helpfulness 1/10 Language php

Source: Grepper

Tags: php solver so

Link to this answer
Share Copy Link

Contributed on Aug 17 2022

CodeBlack reactor

0 Answers Avg Quality 2/10

Sudoku Solver

Contents

More Related Answers

Sudoku Solver

Closely Related Answers

Sudoku Solver

solve the sudoku

Sudoku Solver

Sudoku Solver

Sudoku Solver

Sudoku Solver

Sudoku Solver

Sudoku Solver

Sudoku Solver

Grepper

Documentation

Social

Legal

Contact

Oops, You will need to install Grepper and log-in to perform this action.