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Програмиране с Python

Курс във Факултета по Математика и Информатика към СУ

Решение на Шахматни фенове от Теодора Петкова

Обратно към всички решения

Към профила на Теодора Петкова

Резултати

  • 10 точки от тестове
  • 0 бонус точки
  • 10 точки общо
  • 17 успешни тест(а)
  • 0 неуспешни тест(а)

Код

class ChessException(Exception):
def __init__(self, text):
self.text = text
super().__init__(self.text)
def __str__(self):
return f'{self.text}'
class ChessScore:
_points = {'r': 5, 'n': 3, 'b': 3, 'q': 9, 'k': 4, 'p': 1, '_': 0}
def __init__(self, figures):
self.figures = figures
self.score = 0
for figure in figures:
self.score += self._points[figure.lower()]
def __int__(self):
return self.score
def __add__(self, other):
return self.score + int(other)
def __sub__(self, other):
return self.score - int(other)
def __eq__(self, other):
return self.score == int(other)
def __ne__(self, other):
return self.score != int(other)
def __gt__(self, other):
return self.score > int(other)
def __ge__(self, other):
return self.score >= int(other)
def __lt__(self, other):
return self.score < int(other)
def __le__(self, other):
return self.score <= int(other)
class ChessPosition:
def __init__(self, fen):
self.fen = fen
self.chess_board = []
self.number_of_figures = 0
self.create_chess_board()
self.validation()
def validation(self):
flag_kings, flag_pawns = 0, 0
white_kings, black_kings = 0, 0
i, j = 0, 0
for x in self.chess_board:
for y in x:
if y == 'K' or y == 'k':
if self.king_validate(i, j):
flag_kings = 1
if y == 'K':
white_kings += 1
if y == 'k':
black_kings += 1
if i == 0 or i == 7:
if y == 'p' or y == 'P':
flag_pawns = 1
j += 1
i += 1
j = 0
if white_kings != 1 or black_kings != 1:
flag_kings = 1
if flag_kings:
raise ChessException("kings")
elif flag_pawns:
raise ChessException("pawns")
def create_chess_board(self):
self.chess_board = self.fen.split("/")
# print(self.chest_board)
new_chess_board = []
for x in self.chess_board:
new_string = ''
for y in x:
num = ord(y) - ord('0')
if 1 <= num <= 8:
for _ in range(0, num):
new_string += '_'
else:
new_string += y
self.number_of_figures += 1
# print(new_string)
new_chess_board.append(new_string)
self.chess_board = new_chess_board
# print(self.chest_board)
def king_validate(self, index_x, index_y):

Това е доста логика с доста хардкоуднати индески. По-добре събери позициите в някакъв тип данни и го обходи, за да спестиш еднакви редове. Друга идея е да изчислиш разстоянието между двата царя и да видиш дали е 1.

Георги
if index_y != 0:
if self.chess_board[index_x][index_y - 1] == 'K' or self.chess_board[index_x][index_y - 1] == 'k':
return 1
if index_x != 7:
if self.chess_board[index_x + 1][index_y - 1] == 'K' or self.chess_board[index_x + 1][
index_y - 1] == 'k':
return 1
if index_x != 0 and index_y != 0:
if self.chess_board[index_x - 1][index_y - 1] == 'K' or self.chess_board[index_x - 1][index_y - 1] == 'k':
return 1
if index_x != 0:
if self.chess_board[index_x - 1][index_y] == 'K' or self.chess_board[index_x - 1][index_y] == 'k':
return 1
if index_y != 7:
if self.chess_board[index_x - 1][index_y + 1] == 'K' or self.chess_board[index_x - 1][
index_y + 1] == 'k':
return 1
if index_y != 7:
if self.chess_board[index_x][index_y + 1] == 'K' or self.chess_board[index_x][index_y + 1] == 'k':
return 1
if index_y != 7 and index_x != 7:
if self.chess_board[index_x + 1][index_y + 1] == 'K' or self.chess_board[index_x + 1][index_y + 1] == 'k':
return 1
if index_x != 7:
if self.chess_board[index_x + 1][index_y] == 'K' or self.chess_board[index_x + 1][index_y] == 'k':
return 1
return 0
def get_white_score(self):
white_figures = []
for x in self.fen:
if 'A' <= x <= 'Z':
white_figures.append(x)
return ChessScore(white_figures)
def get_black_score(self):
black_figures = []
for x in self.fen:
if 'a' <= x <= 'z':
black_figures.append(x)
return ChessScore(black_figures)
def white_is_winning(self):
return self.get_black_score() < self.get_white_score()
def black_is_winning(self):
return self.get_black_score() > self.get_white_score()
def is_equal(self):
return self.get_black_score() == self.get_white_score()
def __str__(self):
return self.fen
def __len__(self):
return self.number_of_figures
def __getitem__(self, key):
"""A=1 B=2 C=3 D=4 E=5 F=6 G=7 H=8"""
key = key.upper()
indexes = {'A': 0, 'B': 1, 'C': 2, 'D': 3, 'E': 4, 'F': 5, 'G': 6, 'H': 7}
# print(f'{(key[1],key[0])}')
item = self.chess_board[-(int(key[1]))][indexes[key[0]]]
return None if item == '_' else item

Лог от изпълнението

.................
----------------------------------------------------------------------
Ran 17 tests in 0.154s

OK

История (2 версии и 6 коментара)

Теодора обнови решението на 27.11.2022 21:48 (преди почти 2 години)

+class ChessException(Exception):
+ def __init__(self, text):
+ self.text = text
+ super().__init__(self.text)
+
+ def __str__(self):
+ return f'{self.text}'
+
+
+class ChessScore:
+ _points = {'r': 5, 'n': 3, 'b': 3, 'q': 9, 'k': 4, 'p': 1, '_': 0}
+
+ def __init__(self, figures):
+ self.figures = figures
+ self.score = 0
+ for figure in figures:
+ self.score += self._points[figure.lower()]
+
+ def __int__(self):
+ return self.score
+
+ def __add__(self, other):
+ return self.score + int(other)
+
+ def __sub__(self, other):
+ return self.score - int(other)
+
+ def __eq__(self, other):
+ return self.score == int(other)
+
+ def __ne__(self, other):
+ return self.score != int(other)
+
+ def __gt__(self, other):
+ return self.score > int(other)
+
+ def __ge__(self, other):
+ return self.score >= int(other)
+
+ def __lt__(self, other):
+ return self.score < int(other)
+
+ def __le__(self, other):
+ return self.score <= int(other)
+
+
+class ChessPosition:
+
+ def __init__(self, fen):
+ self.fen = fen
+ self.chest_board = []
+ self.number_of_figures = 0
+ self.create_chess_board()
+ flag_kings, flag_pawns = 0, 0
+ white_kings, black_kings = 0, 0
+ i, j = 0, 0
+ for x in self.chest_board:
+ for y in x:
+ if y == 'K' or y == 'k':
+ if self.king_validate(i, j):
+ flag_kings = 1
+ if y == 'K':
+ white_kings += 1
+ if y == 'k':
+ black_kings += 1
+ if i == 0 or i == 7:
+ if y == 'p' or y == 'P':
+ flag_pawns = 1
+ j += 1
+ i += 1
+ j = 0
+ if white_kings != 1 or black_kings != 1:
+ flag_kings = 1
+
+ if flag_kings:
+ raise ChessException("kings")
+ elif flag_pawns:
+ raise ChessException("pawns")
+
+ def create_chess_board(self):
+ self.chest_board = self.fen.split("/")
+ # print(self.chest_board)
+ new_chess_board = []
+ for x in self.chest_board:
+ new_string = ''
+ for y in x:
+ num = ord(y) - ord('0')
+ if 1 <= num <= 8:
+ for _ in range(0, num):
+ new_string += '_'
+ else:
+ new_string += y
+ self.number_of_figures += 1
+ # print(new_string)
+ new_chess_board.append(new_string)
+ self.chest_board = new_chess_board
+ # print(self.chest_board)
+
+ def king_validate(self, index_x, index_y):

Това е доста логика с доста хардкоуднати индески. По-добре събери позициите в някакъв тип данни и го обходи, за да спестиш еднакви редове. Друга идея е да изчислиш разстоянието между двата царя и да видиш дали е 1.

Георги
+ if index_y != 0:
+ if self.chest_board[index_x][index_y - 1] == 'K' or self.chest_board[index_x][index_y - 1] == 'k':
+ return 1
+ if index_x != 7:
+ if self.chest_board[index_x + 1][index_y - 1] == 'K' or self.chest_board[index_x + 1][
+ index_y - 1] == 'k':
+ return 1
+ if index_x != 0 and index_y != 0:
+ if self.chest_board[index_x - 1][index_y - 1] == 'K' or self.chest_board[index_x - 1][index_y - 1] == 'k':
+ return 1
+ if index_x != 0:
+ if self.chest_board[index_x - 1][index_y] == 'K' or self.chest_board[index_x - 1][index_y] == 'k':
+ return 1
+ if index_y != 7:
+ if self.chest_board[index_x - 1][index_y + 1] == 'K' or self.chest_board[index_x - 1][
+ index_y + 1] == 'k':
+ return 1
+ if index_y != 7:
+ if self.chest_board[index_x][index_y + 1] == 'K' or self.chest_board[index_x][index_y + 1] == 'k':
+ return 1
+ if index_y != 7 and index_x != 7:
+ if self.chest_board[index_x + 1][index_y + 1] == 'K' or self.chest_board[index_x + 1][index_y + 1] == 'k':
+ return 1
+ if index_x != 7:
+ if self.chest_board[index_x + 1][index_y] == 'K' or self.chest_board[index_x + 1][index_y] == 'k':
+ return 1
+ return 0
+
+ def get_white_score(self):
+ white_figures = []
+ for x in self.fen:
+ if 'A' <= x <= 'Z':
+ white_figures.append(x)
+
+ return ChessScore(white_figures)
+
+ def get_black_score(self):
+ black_figures = []
+ for x in self.fen:
+ if 'a' <= x <= 'z':
+ black_figures.append(x)
+
+ return ChessScore(black_figures)
+
+ def white_is_winning(self):
+ return self.get_black_score() < self.get_white_score()
+
+ def black_is_winning(self):
+ return self.get_black_score() > self.get_white_score()
+
+ def is_equal(self):
+ return self.get_black_score() == self.get_white_score()
+
+ def __str__(self):
+ return self.fen
+
+ def __len__(self):
+ return self.number_of_figures
+
+ def __getitem__(self, key):
+ """A=1 B=2 C=3 D=4 E=5 F=6 G=7 H=8"""
+ key = key.upper()
+ indexes = {'A': 0, 'B': 1, 'C': 2, 'D': 3, 'E': 4, 'F': 5, 'G': 6, 'H': 7}
+ # print(f'{(key[1],key[0])}')
+ item = self.chest_board[-(int(key[1]))][indexes[key[0]]]
+ return None if item == '_' else item

Теодора обнови решението на 28.11.2022 22:33 (преди почти 2 години)

class ChessException(Exception):
def __init__(self, text):
self.text = text
super().__init__(self.text)
def __str__(self):
return f'{self.text}'
class ChessScore:
_points = {'r': 5, 'n': 3, 'b': 3, 'q': 9, 'k': 4, 'p': 1, '_': 0}
def __init__(self, figures):
self.figures = figures
self.score = 0
for figure in figures:
self.score += self._points[figure.lower()]
def __int__(self):
return self.score
def __add__(self, other):
return self.score + int(other)
def __sub__(self, other):
return self.score - int(other)
def __eq__(self, other):
return self.score == int(other)
def __ne__(self, other):
return self.score != int(other)
def __gt__(self, other):
return self.score > int(other)
def __ge__(self, other):
return self.score >= int(other)
def __lt__(self, other):
return self.score < int(other)
def __le__(self, other):
return self.score <= int(other)
class ChessPosition:
def __init__(self, fen):
self.fen = fen
- self.chest_board = []
+ self.chess_board = []
self.number_of_figures = 0
self.create_chess_board()
+ self.validation()
+
+ def validation(self):
flag_kings, flag_pawns = 0, 0
white_kings, black_kings = 0, 0
i, j = 0, 0
- for x in self.chest_board:
+ for x in self.chess_board:
for y in x:
if y == 'K' or y == 'k':
if self.king_validate(i, j):
flag_kings = 1
if y == 'K':
white_kings += 1
if y == 'k':
black_kings += 1
if i == 0 or i == 7:
if y == 'p' or y == 'P':
flag_pawns = 1
j += 1
i += 1
j = 0
if white_kings != 1 or black_kings != 1:
flag_kings = 1
if flag_kings:
raise ChessException("kings")
elif flag_pawns:
raise ChessException("pawns")
def create_chess_board(self):
- self.chest_board = self.fen.split("/")
+ self.chess_board = self.fen.split("/")
# print(self.chest_board)
new_chess_board = []
- for x in self.chest_board:
+ for x in self.chess_board:
new_string = ''
for y in x:
num = ord(y) - ord('0')
if 1 <= num <= 8:
for _ in range(0, num):
new_string += '_'
else:
new_string += y
self.number_of_figures += 1
# print(new_string)
new_chess_board.append(new_string)
- self.chest_board = new_chess_board
+ self.chess_board = new_chess_board
# print(self.chest_board)
def king_validate(self, index_x, index_y):
if index_y != 0:
- if self.chest_board[index_x][index_y - 1] == 'K' or self.chest_board[index_x][index_y - 1] == 'k':
+ if self.chess_board[index_x][index_y - 1] == 'K' or self.chess_board[index_x][index_y - 1] == 'k':
return 1
if index_x != 7:
- if self.chest_board[index_x + 1][index_y - 1] == 'K' or self.chest_board[index_x + 1][
+ if self.chess_board[index_x + 1][index_y - 1] == 'K' or self.chess_board[index_x + 1][
index_y - 1] == 'k':
return 1
if index_x != 0 and index_y != 0:
- if self.chest_board[index_x - 1][index_y - 1] == 'K' or self.chest_board[index_x - 1][index_y - 1] == 'k':
+ if self.chess_board[index_x - 1][index_y - 1] == 'K' or self.chess_board[index_x - 1][index_y - 1] == 'k':
return 1
if index_x != 0:
- if self.chest_board[index_x - 1][index_y] == 'K' or self.chest_board[index_x - 1][index_y] == 'k':
+ if self.chess_board[index_x - 1][index_y] == 'K' or self.chess_board[index_x - 1][index_y] == 'k':
return 1
if index_y != 7:
- if self.chest_board[index_x - 1][index_y + 1] == 'K' or self.chest_board[index_x - 1][
+ if self.chess_board[index_x - 1][index_y + 1] == 'K' or self.chess_board[index_x - 1][
index_y + 1] == 'k':
return 1
if index_y != 7:
- if self.chest_board[index_x][index_y + 1] == 'K' or self.chest_board[index_x][index_y + 1] == 'k':
+ if self.chess_board[index_x][index_y + 1] == 'K' or self.chess_board[index_x][index_y + 1] == 'k':
return 1
if index_y != 7 and index_x != 7:
- if self.chest_board[index_x + 1][index_y + 1] == 'K' or self.chest_board[index_x + 1][index_y + 1] == 'k':
+ if self.chess_board[index_x + 1][index_y + 1] == 'K' or self.chess_board[index_x + 1][index_y + 1] == 'k':
return 1
if index_x != 7:
- if self.chest_board[index_x + 1][index_y] == 'K' or self.chest_board[index_x + 1][index_y] == 'k':
+ if self.chess_board[index_x + 1][index_y] == 'K' or self.chess_board[index_x + 1][index_y] == 'k':
return 1
return 0
def get_white_score(self):
white_figures = []
for x in self.fen:
if 'A' <= x <= 'Z':
white_figures.append(x)
return ChessScore(white_figures)
def get_black_score(self):
black_figures = []
for x in self.fen:
if 'a' <= x <= 'z':
black_figures.append(x)
return ChessScore(black_figures)
def white_is_winning(self):
return self.get_black_score() < self.get_white_score()
def black_is_winning(self):
return self.get_black_score() > self.get_white_score()
def is_equal(self):
return self.get_black_score() == self.get_white_score()
def __str__(self):
return self.fen
def __len__(self):
return self.number_of_figures
def __getitem__(self, key):
"""A=1 B=2 C=3 D=4 E=5 F=6 G=7 H=8"""
key = key.upper()
indexes = {'A': 0, 'B': 1, 'C': 2, 'D': 3, 'E': 4, 'F': 5, 'G': 6, 'H': 7}
# print(f'{(key[1],key[0])}')
- item = self.chest_board[-(int(key[1]))][indexes[key[0]]]
+ item = self.chess_board[-(int(key[1]))][indexes[key[0]]]
return None if item == '_' else item