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trash.py
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trash.py
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def read_field(filename):
with open(filename) as file:
data = list(map(lambda x: list(x), file.read().split('\n')))
return data
def flip_field(data):
newdata = []
for r in range(10):
newdata.append([data[l][r] for l in range(10)])
return newdata
def find_ships(ordata):
data = ordata[:]
ships = {1: [], 2: [], 3: [], 4: []}
for l in range(10):
for r in range(7):
if "".join(data[l][r:r+4]) == '****':
ships[4].append([(l, r), (l, r+1), (l, r+2), (l, r+3)])
data[l] = data[l][:r] + list('____') + data[l][r+4:]
for r in range(8):
if "".join(data[l][r:r+3]) == '***':
ships[3].append([(l, r), (l, r+1), (l, r+2)])
data[l] = data[l][:r] + list('___') + data[l][r+3:]
for r in range(9):
if "".join(data[l][r:r+2]) == '**':
ships[2].append([(l, r), (l, r+1)])
data[l] = data[l][:r] + list('__') + data[l][r+2:]
if l == 0:
for r in range(10):
if data[l][r] == '*' and data[l+1][r] == '_':
ships[1].append((l, r))
elif l == 9:
for r in range(10):
if data[l][r] == '*' and data[l-1][r] == '_':
ships[1].append((l, r))
else:
for r in range(10):
if data[l][r] == '*' and data[l-1][r] == data[l+1][r] == '_':
ships[1].append((l, r))
data = flip_field(ordata)
for l in range(10):
for r in range(7):
if ''.join(data[l][r:r+4]) == '****':
ships[4].append([(r, l), (r+1, l), (r+2, l), (r+3, l)])
data[l] = data[l][:r] + list('____') + data[l][r+4:]
for r in range(8):
if ''.join(data[l][r:r+3]) == '***':
ships[3].append([(r, l), (r+1, l), (r+2, l)])
data[l] = data[l][:r] + list('___') + data[l][r+3:]
for r in range(9):
if ''.join(data[l][r:r+2]) == '**':
ships[2].append([(r, l), (r+1, l)])
data[l] = data[l][:r] + list('__') + data[l][r+2:]
return ships
def check_ship(data, dot):
"""
list(list), tuple(int) -> int
input - field and dot coordinates
output - size of ship or 0 if empty
"""
ships = find_ships(data)
for size in ships:
if dot in ships[size]:
return size
for ship in ships[size]:
if dot in ship:
return size
return 0
def is_valid(filename):
with open(filename) as file:
line = file.read().replace('\n', '')
if line.count('_') + line.count('*') + line.count('X') != 100:
return False
data = read_field(filename)
if len(data) != 10:
return False
for ln in data:
if len(ln) != 10:
return False
ships = find_ships(data)
if len(ships[1]) != 4 or len(ships[2]) != 3 or len(ships[3]) != 2 or\
len(ships[4]) != 1:
return False
return True
def field_to_str(data):
field = '\n'.join(list(map(lambda x: ''.join(x), data)))
return field
# _____________________________________________________________________________________
import random
def downcheck(number):
if number >= 0:
return number
return 0
def cut(field, up, down, left, right):
field = field[:downcheck(up)] + list(map(lambda x: x[:downcheck(left)] + ['N']*(right - left - 1) + x[right:],
field[downcheck(up):down])) + field[down:]
return field
def generate():
# Generate fields
field = list(map(lambda x: list(x), ['__________'] * 10))
pos3h = [list(range(8))] * 10
pos3v = [list(range(10))] * 8
pos2h = [list(range(9))] * 10
pos2v = [list(range(10))] * 9
# Place size 4 ship
if random.randint(0, 1):
column4 = random.randrange(7)
line4 = random.randrange(10)
field[line4][column4: column4 + 4] = '****'
pos3h = cut(pos3h, line4 - 1, line4 + 2, column4 - 3, column4 + 5)
pos3v = cut(pos3v, line4 - 3, line4 + 2, column4 - 1, column4 + 5)
pos2h = cut(pos2h, line4 - 1, line4 + 2, column4 - 2, column4 + 5)
pos2v = cut(pos2v, line4 - 2, line4 + 2, column4 - 1, column4 + 5)
else:
line4 = random.randrange(7)
column4 = random.randrange(10)
for l in range(line4, line4 + 4):
field[l][column4] = '*'
pos3h = cut(pos3h, line4 - 1, line4 + 5, column4 - 3, column4 + 2)
pos3v = cut(pos3v, line4 - 3, line4 + 5, column4 - 1, column4 + 2)
pos2h = cut(pos2h, line4 - 1, line4 + 5, column4 - 2, column4 + 2)
pos2v = cut(pos2v, line4 - 2, line4 + 5, column4 - 1, column4 + 2)
# Place size 3 ships
for i in range(2):
if random.randint(0, 1):
while True:
line3 = random.randrange(10)
if pos3h[line3] != ['N']*8:
column3 = random.choice(pos3h[line3])
if column3 != 'N':
break
field[line3][column3: column3 + 3] = '***'
pos3h = cut(pos3h, line3 - 1, line3 + 2, column3 - 3, column3 + 4)
pos3v = cut(pos3v, line3 - 3, line3 + 2, column3 - 1, column3 + 4)
pos2h = cut(pos2h, line3 - 1, line3 + 2, column3 - 2, column3 + 4)
pos2v = cut(pos2v, line3 - 2, line3 + 2, column3 - 1, column3 + 4)
else:
while True:
line3 = random.randrange(8)
if pos3v[line3] != ['N']*10:
column3 = random.choice(pos3v[line3])
if column3 != 'N':
break
for l in range(line3, line3 + 3):
field[l][column3] = '*'
pos3h = cut(pos3h, line3 - 1, line3 + 4, column3 - 3, column3 + 2)
pos3v = cut(pos3v, line3 - 3, line3 + 4, column3 - 1, column3 + 2)
pos2h = cut(pos2h, line3 - 1, line3 + 4, column3 - 2, column3 + 2)
pos2v = cut(pos2v, line3 - 2, line3 + 4, column3 - 1, column3 + 2)
# Place size 2 ships:
for i in range(3):
if random.randint(0, 1):
while True:
line2 = random.randrange(10)
if pos2h[line2] != ['N']*9:
column2 = random.choice(pos2h[line2])
if column2 != 'N':
break
field[line2][column2: column2 + 2] = '**'
pos2h = cut(pos2h, line3 - 1, line3 + 2, column3 - 2, column3 + 3)
pos2v = cut(pos2v, line3 - 2, line3 + 2, column3 - 1, column3 + 3)
else:
while True:
line2 = random.randrange(9)
if pos2v[line2] != ['N']*10:
column2 = random.choice(pos2v[line2])
if column2 != 'N':
break
for l in range(line2, line2 + 2):
field[l][column2] = '*'
pos2h = cut(pos2h, line3 - 1, line3 + 3, column3 - 2, column3 + 2)
pos2v = cut(pos2v, line3 - 2, line3 + 3, column3 - 1, column3 + 2)
return field
print('\n'.join(list(map(lambda x: ' '.join(x), (generate())))))