58 lines
1.7 KiB
Python
58 lines
1.7 KiB
Python
import sys
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sys.setrecursionlimit(5000)
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def write_answer(answer):
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with open(output_file, 'a') as file:
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file.write(answer+'\n')
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def line_checking(row, position):
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stack = [(row, position)]
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while stack:
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help_row, help_position = stack.pop()
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if help_row == '\n':
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if help_position in what_is_the_ended_positions():
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return True
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else:
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return False
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next_character_array = find_next_position(help_position, help_row[0])
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if next_character_array:
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for element_in_next_position_array in next_character_array:
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stack.append((help_row[1:], element_in_next_position_array))
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return False
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def find_next_position(position, character):
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with open(used_table, 'r') as readed_used_table:
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take_all_possible_positions = []
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for row_used_table in readed_used_table:
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line = row_used_table.strip().split(' ')
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if len(line) != 1:
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if position == line[0] and character == line[2]:
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take_all_possible_positions.append(line[1])
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return take_all_possible_positions
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def what_is_the_ended_positions():
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array = []
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with open(used_table, 'r') as file:
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for row in file:
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line = row.strip().split('\t')
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if len(line) == 1:
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array += line
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return array
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used_table = 'test.arg'
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input_file = 'test.in'
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output_file = 'test.out'
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with open(output_file, 'w') as readed_output_file:
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with open(input_file, 'r') as readed_input_file:
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for row_input_file in readed_input_file:
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if line_checking(row_input_file, '0'):
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write_answer('YES')
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else:
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write_answer('NO')
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