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主题必须以字母或数字开头，可以包含连字符 (-)，并且长度不得超过35个字符
13 行
310 B
13 行
310 B
from base64 import *
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enc = "XUBdTFdScw5XCVRGTglJXEpMSFpOQE5AVVxJBRpLT10aYBpIVwlbCVZATl1WTBpaTkBOQFVcSQdH"
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flag = b64decode(enc)
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key = ":)"
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newflag = []
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for i, l in enumerate(flag):
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kunci = ord(key[i % len(key)])
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cipher = ord(l)
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newflag.append(chr(kunci ^ cipher))
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newflag = ''.join(newflag)
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print newflag
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