43 lines
1.2 KiB
Python
43 lines
1.2 KiB
Python
class Game(int):
|
|
|
|
def __init__(self, start):
|
|
self.matches = start # number of matches
|
|
self.state = 0 #-1 = lost, 0 = draw, +1 = won
|
|
self.playerTurn = 1 # 1 = player 1 is playing, 2 = player 2 is playing
|
|
|
|
def miniMax(self):
|
|
if(self.playerTurn == 1):
|
|
res = self.exploreMax(self.matches)
|
|
if(self.playerTurn == 2):
|
|
res = self.exploreMin(self.matches)
|
|
print(res)
|
|
return res
|
|
|
|
def exploreMax(self, n):
|
|
bestVal = -1
|
|
if(n<=0):
|
|
return 1
|
|
for i in range (1,4):
|
|
res = self.exploreMin(n-i)
|
|
if(res > bestVal):
|
|
bestVal = res
|
|
if(bestVal == 1):
|
|
break
|
|
return bestVal
|
|
|
|
def exploreMin(self, n):
|
|
worstVal = 1
|
|
if(n<=0):
|
|
return -1
|
|
for i in range (1,4):
|
|
res = self.exploreMax(n-i)
|
|
if(res < worstVal):
|
|
worstVal = res
|
|
if(worstVal == -1):
|
|
break
|
|
return worstVal
|
|
|
|
|
|
game = Game(5) # Creating Nim game with 5 matches
|
|
game.miniMax() # Checking if the player 1 is winning
|