False
>>> w2 = WordLadderPuzzle("yo", "yo", {"yi", "yo"})
>>> w2.is_solved()
True
"""
return self._from_word == self._to_word
if __name__ == "__main__":
import doctest
doctest.testmod()
from puzzle_tools import breadth_first_solve, depth_first_solve
from time import time
with open("words", "r") as words:
word_set = set(words.read().split())
w = WordLadderPuzzle("same", "cost", word_set)
start = time()
sol = breadth_first_solve(w)
end = time()
print("Solving word ladder from same->cost")
print("...using breadth-first-search")
print("Solutions: {} took {} seconds.".format(sol, end - start))
start = time()
sol = depth_first_solve(w)
end = time()
print("Solving word ladder from same->cost")
print("...using depth-first-search")
print("Solutions: {} took {} seconds.".format(sol, end - start))
"""
Return whether MNPuzzle self is solved.
@type self: MNPuzzle
@rtype: bool
"""
return self.from_grid == self.to_grid
if __name__ == "__main__":
import doctest
doctest.testmod()
target_grid = (
("1", "2", "3", '4'),
("5", "6", "7", "*"),
)
start_grid = (
("4", "1", "6", "7"),
("3", "*", "2", "5"),
)
from puzzle_tools import breadth_first_solve, depth_first_solve
from time import time
start = time()
solution = breadth_first_solve(MNPuzzle(start_grid, target_grid))
end = time()
print("BFS solved: \n\n{} \n\nin {} seconds".format(solution, end - start))
start = time()
solution = depth_first_solve((MNPuzzle(start_grid, target_grid)))
end = time()
print("DFS solved: \n\n{} \n\nin {} seconds".format(solution, end - start))
# a configuration is solved when from_grid is the same as to_grid
# override extensions
# legal extensions are configurations that can be reached by swapping one
# symbol to the left, right, above, or below "*" with "*"
# TODO
if __name__ == "__main__":
import doctest
doctest.testmod()
target_grid = (("1", "2", "3"), ("4", "5", "*"))
start_grid = (("*", "2", "3"), ("1", "4", "5"))
from puzzle_tools import breadth_first_solve, depth_first_solve
from time import time
start = time()
solution = breadth_first_solve(MNPuzzle(start_grid, target_grid))
test = MNPuzzle(start_grid, target_grid)
end = time()
print("BFS solved: \n\n{} \n\nin {} seconds".format(
solution, end - start))
start = time()
solution = depth_first_solve((MNPuzzle(start_grid, target_grid)))
end = time()
print("DFS solved: \n\n{} \n\nin {} seconds".format(
solution, end - start))
>>> b = WordLadderPuzzle("same", "same", word_set)
>>> b.is_solved()
True
"""
# Check that from and to word are the same and that both are legal words
return self._from_word == self._to_word and \
(self._from_word and self._from_word) in self._word_set
if __name__ == '__main__':
import doctest
doctest.testmod()
from puzzle_tools import breadth_first_solve, depth_first_solve
from time import time
with open("words", "r") as words:
word_set = set(words.read().split())
w = WordLadderPuzzle("same", "cost", word_set)
start = time()
sol = breadth_first_solve(w)
end = time()
print("Solving word ladder from same->cost")
print("...using breadth-first-search")
print("Solutions: {} took {} seconds.".format(sol, end - start))
start = time()
sol = depth_first_solve(w)
end = time()
print("Solving word ladder from same->cost")
print("...using depth-first-search")
print("Solutions: {} took {} seconds.".format(sol, end - start))
sol = depth_first_solve(s)
while sol.children:
sol = sol.children[0]
end = time()
print("time to solve 9x9 using depth_first: {} seconds\n".format(end -
start))
print(sol)
s = SudokuPuzzle(9, [
"5", "6", "*", "*", "*", "7", "*", "*", "9", "*", "7", "*", "*", "4",
"8", "*", "3", "1", "*", "*", "*", "*", "*", "*", "*", "*", "*", "4",
"3", "*", "*", "*", "*", "*", "*", "*", "*", "8", "*", "*", "*", "*",
"*", "9", "*", "*", "*", "*", "*", "*", "*", "*", "2", "6", "*", "*",
"*", "*", "*", "*", "*", "*", "*", "1", "9", "*", "3", "6", "*", "*",
"7", "*", "7", "*", "*", "1", "*", "*", "*", "4", "2"
], {"1", "2", "3", "4", "5", "6", "7", "8", "9"})
print("solving 4-star sudoku from \"That's Puzzling\", "
"November 14th 2015\n\n{}\n\n".format(s))
start = time()
sol = depth_first_solve(s)
while sol.children:
sol = sol.children[0]
end = time()
print("time to solve 9x9 using depth_first: {} seconds\n".format(end -
start))
sol2 = breadth_first_solve(s)
print(sol2)
print(sol)