In KennedyMwavu/SudokuR: Solve any 9 by 9 sudoku grid

knitr::opts_chunk$set(
  collapse = TRUE,
  comment = "#>",
  fig.path = "man/figures/README-",
  out.width = "100%"
)

{sudokur}

This package is designed to solve any 9 by 9 sudoku grid using the backtracking algorithm.

Installation

You can install the development version of sudokur from GitHub with:

devtools::load_all('.')

# install.packages("devtools")
devtools::install_github("kennedymwavu/sudokur")

Usage

Include your own sudoku grids

To make your own customized sudoku puzzle which you can view and solve with the functions available in this package, create a 9 by 9 matrix with zeros representing the empty spaces in your sudoku.

Example:

board1 <- matrix(
  data = c(
    5, 6, 0, 8, 4, 7, 0, 0, 0,
    3, 0, 9, 0, 0, 0, 6, 0, 0,
    0, 0, 8, 0, 0, 0, 0, 0, 0,
    0, 1, 0, 0, 8, 0, 0, 4, 0,
    7, 9, 0, 6, 0, 2, 0, 1, 8,
    0, 5, 0, 0, 3, 0, 0, 9, 0,
    0, 0, 0, 0, 0, 0, 2, 0, 0,
    0, 0, 6, 0, 0, 0, 8, 0, 7,
    0, 0, 0, 3, 1, 6, 0, 5, 9
    ),
  ncol = 9
)

Pretty print a sudoku grid

To pretty print a sudoku grid use print_board(given_board).

Example:

print_board(board1)

Solve sudoku puzzles

To solve a sudoku puzzle solve_sudoku(given_board).

Example:

solve_sudoku(samples$board6)

KennedyMwavu/SudokuR documentation built on Jan. 2, 2023, 9:07 p.m.