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Commit f0c35693 authored by Antoine Roux's avatar Antoine Roux
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created the tempGrid, now need to implement its use

parent 514ec52c
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test_sudoku_mieux.py
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......@@ -6,18 +6,26 @@ import copy
## REMARQUES
#les indices x et y sont parfois inversés à cause de la convention mathématique (y puis x)
#pour enlever les 0 au debut et fin : np.trim_zeros
# il faut encore changer dans 2outOf3 : enlever les possibilités pour les voisins
# il faut changer xIndex et yIndex en hIndex et vIndex
class Grid (object) :
def __init__ (self, grid) :
""" tempGrid corresponds to the grid where the little numbers are written
Because of python, the third dimension is of length 9 all the time
"""
self.grid = grid
someGrid = np.zeros((9,9,9))
for k in range (9) :
for i in range (9) :
someGrid[k,i,0] = grid[k,i]
self.tempGrid = someGrid
#self.tempGrid = grid[:,:,np.newaxis] #to make it a 3D array and not 2D
#def getBlock (self, myIndex) :
#index1 = 0 + 3 * (myIndex // 3)
#index2 = 3 + 3 * (myIndex // 3)
#index3 = 0 + 3 * (myIndex % 3)
#index4 = 3 + 3 * (myIndex % 3)
#return Block(self.grid[index1:index2, index3:index4], myIndex)
def __str__ (self) :
string = ""
string += " -----------------------" + "\n"
......@@ -33,6 +41,26 @@ class Grid (object) :
string += " -----------------------" + "\n"
return string
def verify(self) :
""" verifies that finished grid is correct
by checking that all sums of blocks, lines and columns equal 45
returns : True if grid is correct, False otherwise
"""
for k in range (9) :
currentColumn = myGrid.getColumn(k)
if (np.sum(currentColumn.column) != 45) :
return False
currentLine = myGrid.getLine(k)
if (np.sum(currentLine.line) != 45) :
return False
for k in range (3) :
for i in range (3) :
currentBlock = myGrid.getBlock(k,i)
if (np.sum(currentBlock.block) != 45) :
return False
return True
def getBlock (self, xIndex, yIndex) :
index1 = 3 * yIndex
index2 = 3 + 3 * yIndex
......@@ -49,6 +77,9 @@ class Grid (object) :
def getTile (self, xIndex, yIndex) :
return Tile(self.grid[xIndex, yIndex], xIndex, yIndex)
def getTempTile (self, xIndex, yIndex) :
return Tile(self.tempGrid[xIndex, yIndex], xIndex, yIndex)
def searchForTwoOutOfThree (self) :
"""
searches for lines/columns of blocks in which we know 2 identical numbers
......@@ -99,12 +130,15 @@ class Grid (object) :
if (np.count_nonzero(tilesStudied) == 2) :
indicesNotZero = np.array(np.nonzero(tilesStudied))
if (0 not in indicesNotZero) :
myGrid.grid[3*blockToStudy,columnToStudy] = i
tileToModify = myGrid.getTile(3*blockToStudy,columnToStudy)
#myGrid.grid[3*blockToStudy,columnToStudy] = i
elif (1 not in indicesNotZero) :
myGrid.grid[3*blockToStudy+1,columnToStudy] = i
tileToModify = myGrid.getTile(3*blockToStudy+1,columnToStudy)
#myGrid.grid[3*blockToStudy+1,columnToStudy] = i
else :
myGrid.grid[3*blockToStudy+2,columnToStudy] = i
#print("modified : ", i)
tileToModify = myGrid.getTile(3*blockToStudy+2,columnToStudy)
#myGrid.grid[3*blockToStudy+2,columnToStudy] = i
tileToModify.modifyValue(tileToModify.xIndex, tileToModify.yIndex, i)
#il reste encore à gérer le cas où les deux autres tuiles ont encore plusieurs possibilités mais qu'on peut quand même conclure
#horizontally
......@@ -150,14 +184,18 @@ class Grid (object) :
if (np.count_nonzero(tilesStudied) == 2) :
indicesNotZero = np.array(np.nonzero(tilesStudied))
if (0 not in indicesNotZero) :
myGrid.grid[lineToStudy, 3*blockToStudy] = i
tileToModify = myGrid.getTile(lineToStudy, 3*blockToStudy)
#myGrid.grid[lineToStudy, 3*blockToStudy] = i
elif (1 not in indicesNotZero) :
myGrid.grid[lineToStudy, 3*blockToStudy+1] = i
tileToModify = myGrid.getTile(lineToStudy, 3*blockToStudy+1)
#myGrid.grid[lineToStudy, 3*blockToStudy+1] = i
else :
myGrid.grid[lineToStudy, 3*blockToStudy+2] = i
#print("modified : ", i)
tileToModify = myGrid.getTile(lineToStudy, 3*blockToStudy+2)
#myGrid.grid[lineToStudy, 3*blockToStudy+2] = i
tileToModify.modifyValue(tileToModify.xIndex, tileToModify.yIndex, i)
#il reste encore à gérer le cas où les deux autres tuiles ont encore plusieurs possibilités mais qu'on peut quand même conclure
class Block (object) :
def __init__ (self, block, xIndex, yIndex) :
......@@ -251,26 +289,74 @@ class Tile (object) :
def evaluate(self) :
""" gets the neighbors using getNeighbors
checks if there is only one missing, in that case we modify the tiles
doesn't return anything
doesn't return anything, except -1 if tile is not 0
"""
if (self.value == 0) :
neighbors = np.array(self.getNeighbors())
if (len(neighbors) == 8) :
for k in range(1,9) :
if k not in neighbors :
myGrid.grid[self.xIndex, self.yIndex] = k
if (self.value != 0) :
return -1
#we first check if there is only one possibility in the tempGrid
possibilitiesNonZero = np.trim_zeros(myGrid.tempGrid[self.xIndex, self.yIndex])
if (len(possibilitiesNonZero) == 1) :
self.modifyValue(self.xIndex, self.yIndex, myGrid.tempGrid[self.xIndex, self.yIndex, 0])
###########################################
#we now compute the neighbors as usual
neighbors = np.array(self.getNeighbors())
if (len(neighbors) == 8) :
for k in range(1,10) :
if k not in neighbors :
#we modify the value of the tile
self.modifyValue(self.xIndex, self.yIndex, k)
else :
for k in range(1,10) :
if (k not in neighbors) and (k not in myGrid.tempGrid[self.xIndex, self.yIndex]) :
someArray = np.delete(myGrid.tempGrid[self.xIndex, self.yIndex], 8)
myGrid.tempGrid[self.xIndex, self.yIndex] = np.append(k, someArray)
# TEST_GRID = np.zeros((9,9))
# compteur = 0
# for k in range (9) :
# for i in range(9) :
# TEST_GRID[i, k] = compteur
# compteur += 1
def modifyValue (self, xIndex, yIndex, value) :
""" Once we found the value of a tile, we modify it
We also modify the possible values of all of the neighbors of the tile
"""
#we modify the value of the tile
myGrid.grid[self.xIndex, self.yIndex] = value
myGrid.tempGrid[self.xIndex, self.yIndex, 0] = value
myGrid.tempGrid[self.xIndex, self.yIndex, 1:9] = 0
#we modify the possible values of the neighbors : block
xIndexBlock = self.yIndex//3
yIndexBlock = self.xIndex//3
for k in range (3) :
for i in range (3) :
possibleTileValuesList = list(myGrid.tempGrid[3*xIndexBlock+k, 3*yIndexBlock+i])
if (value in possibleTileValuesList) :
#in that case we have to remove "value" from the possibilities
possibleTileValuesList.remove(value)
possibleTileValuesList.append(0)
myGrid.tempGrid[3*xIndexBlock+k, 3*yIndexBlock+i] = np.array(possibleTileValuesList)
#we modify the possible values of the neighbors : line
for k in range (9) :
possibleTileValuesList = list(myGrid.tempGrid[xIndex, k])
if (value in possibleTileValuesList) :
#in that case we have to remove "value" from the possibilities
possibleTileValuesList.remove(value)
possibleTileValuesList.append(0)
myGrid.tempGrid[xIndex, k] = np.array(possibleTileValuesList)
#we modify the possible values of the neighbors : column
# for k in range (9) :
possibleTileValuesList = list(myGrid.tempGrid[k, yIndex])
if (value in possibleTileValuesList) :
#in that case we have to remove "value" from the possibilities
possibleTileValuesList.remove(value)
possibleTileValuesList.append(0)
myGrid.tempGrid[k, yIndex] = np.array(possibleTileValuesList)
###########################################
# TEST_GRID = np.array([[ 0, 4, 7, 27, 36, 45, 54, 63, 72.],
# [ 1, 5, 8, 28, 37, 46, 55, 64, 73.],
# [ 2, 6, 3, 29, 38, 47, 56, 65, 74.],
......@@ -281,44 +367,48 @@ class Tile (object) :
# [ 7, 2, 5, 34, 43, 52, 61, 70, 79.],
# [ 8, 3, 9, 35, 44, 53, 62, 71, 80.]])
TEST_GRID = np.array([[ 0, 0, 0, 4, 0, 0, 8, 7, 0.],
[ 0, 4, 7, 0, 9, 2, 0, 5, 0.],
[ 2, 0, 0, 6, 0, 0, 0, 3, 0.],
[ 9, 7, 0, 5, 0, 0, 2, 0, 3.],
[ 5, 0, 8, 0, 2, 4, 7, 0, 6.],
[ 6, 0, 4, 0, 0, 7, 0, 8, 5.],
[ 0, 9, 0, 3, 0, 8, 0, 0, 7.],
[ 0, 0, 3, 2, 4, 0, 1, 6, 0.],
[ 0, 1, 2, 0, 0, 0, 0, 9, 0.]])
# TEST_GRID = np.array([[ 0, 3, 2, 0, 8, 0, 0, 0, 0.],
# [ 8, 0, 1, 0, 0, 0, 9, 0, 3.],
# [ 0, 0, 0, 6, 0, 3, 0, 0, 0.],
# [ 0, 2, 0, 0, 5, 7, 4, 0, 6.],
# [ 5, 0, 0, 4, 0, 6, 0, 0, 2.],
# [ 7, 0, 4, 8, 3, 0, 0, 9, 0.],
# [ 0, 0, 0, 5, 0, 1, 0, 0, 0.],
# [ 0, 0, 8, 0, 0, 0, 7, 0, 1.],
# [ 4, 0, 0, 0, 7, 0, 6, 3, 0.]])
TEST_GRID_1 = np.array([[ 0, 0, 0, 4, 0, 0, 8, 7, 0.],
[ 0, 4, 7, 0, 9, 2, 0, 5, 0.],
[ 2, 0, 0, 6, 0, 0, 0, 3, 0.],
[ 9, 7, 0, 5, 0, 0, 2, 0, 3.],
[ 5, 0, 8, 0, 2, 4, 7, 0, 6.],
[ 6, 0, 4, 0, 0, 7, 0, 8, 5.],
[ 0, 9, 0, 3, 0, 8, 0, 0, 7.],
[ 0, 0, 3, 2, 4, 0, 1, 6, 0.],
[ 0, 1, 2, 0, 0, 0, 0, 9, 0.]])
TEST_GRID_2 = np.array([[ 0, 3, 2, 0, 8, 0, 0, 0, 0.],
[ 8, 0, 1, 0, 0, 0, 9, 0, 3.],
[ 0, 0, 0, 6, 0, 3, 0, 0, 0.],
[ 0, 2, 0, 0, 5, 7, 4, 0, 6.],
[ 5, 0, 0, 4, 0, 6, 0, 0, 2.],
[ 7, 0, 4, 8, 3, 0, 0, 9, 0.],
[ 0, 0, 0, 5, 0, 1, 0, 0, 0.],
[ 0, 0, 8, 0, 0, 0, 7, 0, 1.],
[ 4, 0, 0, 0, 7, 0, 6, 3, 0.]])
TEST_GRID_3 = np.array([[ 8, 0, 0, 0, 0, 0, 0, 0, 0.],
[ 0, 0, 3, 0, 0, 0, 0, 0, 0.],
[ 0, 7, 0, 6, 9, 0, 2, 0, 0.],
[ 0, 5, 0, 0, 0, 7, 0, 0, 0.],
[ 0, 0, 0, 0, 4, 5, 7, 0, 0.],
[ 0, 0, 0, 1, 0, 0, 0, 9, 0.],
[ 0, 0, 1, 0, 0, 0, 0, 0, 8.],
[ 0, 0, 8, 5, 0, 0, 0, 0, 0.],
[ 0, 9, 0, 0, 0, 0, 4, 3, 0.]])
TEST_GRID = TEST_GRID_3
myGrid = Grid(copy.deepcopy(TEST_GRID))
compteur = 0
while (myGrid.verify() != True and compteur<5) :
compteur+=1
for k in range (9) :
for i in range (9) :
myGrid.searchForTwoOutOfThree()
someTile = myGrid.getTile(i,k)
someTile.evaluate()
for k in range (9) :
for i in range (9) :
myGrid.searchForTwoOutOfThree()
someTile = myGrid.getTile(i,k)
someTile.evaluate()
for k in range (9) :
for i in range (9) :
myGrid.searchForTwoOutOfThree()
someTile = myGrid.getTile(i,k)
someTile.evaluate()
print(myGrid)
#print(Grid(myGrid.grid - TEST_GRID))
print(myGrid)
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