thecoded.prof
CMU Coding Bootcamp
fix: small name fixes
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python/oct2/level4/routeCipher2.py
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python/oct2/level4/routeCipher2.py
···
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from math import ceil
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def f(row: int, col: int, rows: int) -> int:
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def getIndex(row: int, col: int, rows: int) -> int:
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return col*rows + row
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def i_f(x: int, rows: int) -> tuple[int, int]:
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def getRowAndCol(x: int, rows: int) -> tuple[int, int]:
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return x // rows, x % rows
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···
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cur_char = chr(ord(cur_char) - 1)
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encoded_string = ""
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for i in range(len(message)):
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row, col = i_f(i, row_len)
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encoded_string += message[f(row, col, rows)]
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row, col = getRowAndCol(i, row_len)
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encoded_string += message[getIndex(row, col, rows)]
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encoded_message = f"{rows}"
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for i in range(0, rows):
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if i % 2 == 0:
···
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else:
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decoded_string += encoded_string[i*row_len:(i+1)*row_len][::-1]
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for i in range(len(decoded_string)):
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row, col = i_f(i, rows)
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decoded_message += decoded_string[f(row, col, row_len)]
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row, col = getRowAndCol(i, rows)
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decoded_message += decoded_string[getIndex(row, col, row_len)]
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while decoded_message[-1].islower():
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decoded_message = decoded_message[:-1]
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return decoded_message