58 lines
1.2 KiB
Python
58 lines
1.2 KiB
Python
data = [
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["8","c","t","k","3"],
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["2","r","H","V","r"],
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["2","y",None,"0","v"],
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["2","e","n","3","_"],
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["}","3","h","{","m"],
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]
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def find_char(c, min=(0, 0)):
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for x, row in enumerate(data):
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for y, v in enumerate(row):
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if v == c and (x, y) >= min:
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return (x, y)
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def find_key(cirb="HV23{"):
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min = (0, 0)
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key = []
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for c in cirb:
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key.append(find_char(c, min))
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min = key[-1]
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key[3] = (4, 1) # or (3, 3)
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key.append(rotate(find_char('}'), 3)) # for final '}'
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return key
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def rotate(key, rotation):
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rotation = rotation % 4
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if rotation == 0:
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return key
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n = len(data) - 1
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rotated = []
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if isinstance(key, list):
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for (x, y) in key:
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rotated.append((y, n - x))
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else:
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rotated = (key[1], n - key[0])
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if rotation > 1:
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return rotate(rotated, rotation - 1)
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return rotated
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def get_text(key, rotation=0):
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text = ""
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key = list(sorted(rotate(key, rotation)))
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for (x, y) in key:
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text += data[x][y]
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return text
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key = find_key()
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flag = ""
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for i in range(0, 4):
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flag += get_text(key, -i)
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print("[+] Flag:", flag) |