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sudoku.rb
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$maxLoop = ARGV[1].to_i
$analogy = 0
class Sudoku < Array
def initialize(filename)
f = File.open(filename, mode = "rt")
sudoku = []
10.times do |i|
sudokuEach = []
9.times do
line = []
3.times do
vector = []
3.times do
if i == 0
vector.push(f.getc.to_i)
else
if f.getc.to_i == i
vector.push(i)
else
vector.push(0)
end
end
end
line.push(vector)
end
sudokuEach.push(line)
f.getc #改行送り
end
sudoku.push(sudokuEach)
f.rewind
end
@sudoku = sudoku
f.close
end
def show(i)
@sudoku[i].each do |line|
line.each do |vector|
vector.each do |num|
if num == 0
print " "
else
print num
end
end
end
puts ""
end
end
def result
@sudoku[0].flatten.join
end
def hSolve
flag = false
9.times do |num|
sudoku = @sudoku[num+1]
9.times do |i|
#puts sudoku[i].flatten.count(0)
if sudoku[i].flatten.count(0) == 1
3.times do |j|
3.times do |k|
if sudoku[i][j][k] == 0
@sudoku[0][i][j][k] = sudoku[i][j][k] = num+1
flag = true
printf("Horisontaly solve!:(%d,%d)->%d\n",i+1,j*3+k+1,num+1)
end
end
end
end
end
self[num+1] = sudoku
self.fill
end
return flag
end
def vSolve
flag = false
9.times do |num|
sudoku = @sudoku[num+1]
3.times do |i|
3.times do |j|
marker = []
9.times do |k|
if sudoku[k][i][j] == 0
marker.push([k,i,j])
end
end
#p marker.count
if marker.count == 1
#p marker
@sudoku[0][marker[0][0]][marker[0][1]][marker[0][2]] = sudoku[marker[0][0]][marker[0][1]][marker[0][2]] = num+1
flag = true
printf("Verticaly solve!:(%d,%d)->%d\n",marker[0][0]+1,marker[0][1]*3+marker[0][2]+1,num+1)
end
end
end
self[num+1] = sudoku
self.fill
end
return flag
end
def bSolve
flag = false
9.times do |num|
sudoku = @sudoku[num+1]
3.times do |i|
3.times do |j|
marker = []
3.times do |k|
3.times do |l|
if sudoku[i*3+k][j][l] == 0
marker.push([i*3+k,j,l])
end
end
end
if marker.count == 1
@sudoku[0][marker[0][0]][marker[0][1]][marker[0][2]] = sudoku[marker[0][0]][marker[0][1]][marker[0][2]] = num+1
flag = true
printf("Box solve!:(%d,%d)->%d\n",marker[0][0]+1,marker[0][1]*3+marker[0][2]+1,num+1)
end
end
end
self[num+1] = sudoku
self.fill
end
return flag
end
def fill
9.times do |num|
#puts num+1
hFlag = Array.new(9, false)
vFlag = Array.new(9, false)
bFlag = Array.new(9, false)
sudoku = []
9.times do |i|
line = []
3.times do |j|
line[j] = [0,0,0]
end
sudoku[i] = line
end
9.times do |line|
3.times do |vector|
3.times do |value|
if @sudoku[num+1][line][vector][value] == num+1
hFlag[line] = true
vFlag[vector*3 + value] = true
bFlag[line/3*3 + vector] = true
sudoku[line][vector][value] = num+1
end
if @sudoku[0][line][vector][value] != 0 && @sudoku[0][line][vector][value] != num+1
sudoku[line][vector][value] = "+"
end
end
end
end
9.times do |i|
if hFlag[i]
3.times do |j|
3.times do |k|
if sudoku[i][j][k] == 0
sudoku[i][j][k] = "+"
end
end
end
end
end
9.times do |i|
if vFlag[i]
9.times do |j|
#printf("%d -> 1 (%d, %d)\n",sudoku[j][i/3][i%3],j,i/3+i%3)
#p sudoku[j]
if sudoku[j][i/3][i%3] == 0
sudoku[j][i/3][i%3] = "+"
end
#p sudoku[j]
#p "----------"
end
end
end
#p bFlag
9.times do |i|
if bFlag[i]
3.times do |j|
#p sudoku[i/3+j][i%3]
3.times do |k|
if sudoku[i/3*3+j][i%3][k] == 0
sudoku[i/3*3+j][i%3][k] = "+"
end
end
#printf("%d,%d\n",i/3+j,i%
end
#p sudoku[i/3+j][i%3].object_id
end
end
@sudoku[num+1] = sudoku
end
end
=begin
def sum
sFlag = false
all = (1..9).to_a
9.times do |line|
3.times do |vector|
3.times do |value|
9.times do |num|
flag = true
num+1
removedNum = all - [num+1]
8.times do |i|
if @sudoku[removedNum[i]][line][vector][value] != "+" || @sudoku[removedNum[i]][line][vector][value] != removedNum[i]
flag = false
end
end
if flag
@sudoku[num+1][line][vector][value] = num+1
@sudoku[0][line][vector][value] = num+1
sFlag = true
printf("Sum solve!:(%d,%d)->%d\n",line+1,vector*3+value+1,num+1)
self.fill
self.show(num+1)
end
end
end
end
end
return sFlag
end
=begin
def analogy(analogyCount)
81.times do
num = $analogy/9
line = $analogy - $analogy/9*9
sudoku = @sudoku[num+1]
printf("$analogy=%d,num=%d,line=%d,count=%d\n",$analogy,num+1,line+1,analogyCount)
if sudoku[line].flatten.count(0) == 2
puts "count=2"
index = sudoku[line].flatten.each_index.select{|i| sudoku[line].flatten[i] == 0}
@sudoku[0][line][index[analogyCount]/3][index[analogyCount]-index[analogyCount]/3] = num+1
@sudoku[num+1][line][index[analogyCount]/3][index[analogyCount]-index[analogyCount]/3] = num+1
self.fill
printf("\nanalogy:(%d,%d)->%d\n\n",line+1,index[analogyCount]+1,num+1)
if analogyCount == 1
$analogy += 1
end
return
elsif $analogy == 80
puts "analogy over"
exit
else
$analogy += 1
end
end
end
=end
def fin?
return !@sudoku[0].flatten.include?(0)
end
def copy
Marshal.load(Marshal.dump(self))
end
end
def showall(sudoku)
puts "---------"
10.times do |i|
sudoku.show(i)
puts "---------"
end
end
def solve(sudoku)
ARGV[1].to_i.times do |loop|
flag = false
hFlag = sudoku.hSolve
vFlag = sudoku.vSolve
bFlag = sudoku.bSolve
#sFlag = sudoku.sum
flag = hFlag || vFlag || bFlag
puts "\n"
if !flag
return
end
sudoku.show(0)
if ARGV[2].to_i != 0
puts "---------"
sudoku.show(ARGV[2].to_i)
end
printf("\nLOOP%d=============================\n\n",loop+1)
end
end
def main
if ARGV[1].to_i == 0
ARGV[1] = "100"
end
sudoku = Sudoku.new(ARGV[0])
sudoku.fill
showall(sudoku)
printf("\nDisplay Type:%d\nMax Loop:%d\n\nFin init======================\n\n",ARGV[2].to_i,ARGV[1].to_i)
ARGV[1].to_i.times do
solve(sudoku)
if sudoku.fin?
printf("\nfin!\n%s\n\n",sudoku.result)
sudoku.show(0)
return
end
end
end
main