RosettaCodeData/Task/Sudoku/Groovy/sudoku-2.groovy
2023-07-01 13:44:08 -04:00

64 lines
3 KiB
Groovy

def sudokus = [
//Used in Curry solution: ~ 0.1 seconds
'819..5.....2...75..371.4.6.4..59.1..7..3.8..2..3.62..7.5.7.921..64...9.....2..438',
//Used in Perl and PicoLisp solutions: ~ 0.1 seconds
'53..247....2...8..1..7.39.2..8.72.49.2.98..7.79.....8.....3.5.696..1.3...5.69..1.',
//Used in Fortran solution: ~ 0.1 seconds
'..3.2.6..9..3.5..1..18.64....81.29..7.......8..67.82....26.95..8..2.3..9..5.1.3..',
//Used in many other solutions, notably Algol 68: ~ 0.1 seconds
'394..267....3..4..5..69..2..45...9..6.......7..7...58..1..67..8..9..8....264..735',
//Used in C# solution: ~ 0.2 seconds
'97.3...6..6.75.........8.5.......67.....3.....539..2..7...25.....2.1...8.4...73..',
//Used in Oz solution: ~ 0.2 seconds
'4......6.5...8.9..3....1....2.7....1.9.....4.8....3.5....2....7..6.5...8.1......6',
//Used in many other solutions, notably C++: ~ 0.3 seconds
'85...24..72......9..4.........1.7..23.5...9...4...........8..7..17..........36.4.',
//Used in VBA solution: ~ 0.3 seconds
'..1..5.7.92.6.......8...6...9..2.4.1.........3.4.8..9...7...3.......7.69.1.8..7..',
//Used in Forth solution: ~ 0.8 seconds
'.9...4..7.....79..8........4.58.....3.......2.....97.6........4..35.....2..6...8.',
//3rd "exceptionally difficult" example in Wikipedia: ~ 2.3 seconds
'12.3....435....1....4........54..2..6...7.........8.9...31..5.......9.7.....6...8',
//Used in Curry solution: ~ 2.4 seconds
'9..2..5...4..6..3...3.....6...9..2......5..8...7..4..37.....1...5..2..4...1..6..9',
//"AL Escargot", so-called "hardest sudoku" (HA!): ~ 3.0 seconds
'1....7.9..3..2...8..96..5....53..9...1..8...26....4...3......1..4......7..7...3..',
//1st "exceptionally difficult" example in Wikipedia: ~ 6.5 seconds
'12.4..3..3...1..5...6...1..7...9.....4.6.3.....3..2...5...8.7....7.....5.......98',
//Used in Bracmat and Scala solutions: ~ 6.7 seconds
'..............3.85..1.2.......5.7.....4...1...9.......5......73..2.1........4...9',
//2nd "exceptionally difficult" example in Wikipedia: ~ 8.8 seconds
'.......39.....1..5..3.5.8....8.9...6.7...2...1..4.......9.8..5..2....6..4..7.....',
//Used in MATLAB solution: ~15 seconds
'....839..1......3...4....7..42.3....6.......4....7..1..2........8...92.....25...6',
//4th "exceptionally difficult" example in Wikipedia: ~29 seconds
'..3......4...8..36..8...1...4..6..73...9..........2..5..4.7..686........7..6..5..']
sudokus.each { sudoku ->
def grid = string2grid(sudoku)
println '\nPUZZLE'
grid.each { println it }
println '\nSOLUTION'
def start = System.currentTimeMillis()
def solution = solve(grid)
def elapsed = (System.currentTimeMillis() - start)/1000
solution.each { println it }
println "\nELAPSED: ${elapsed} seconds"
}