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Dec 5: Boolean Fun
Challenge
Santa found a paper with some strange logical stuff on it. On the back of it there is the hint: “use 32 bit”.
He has no clue what this means - can you show him, what “???” should be?
Solution
Just some bitwise logic operators, we can calculate answer in python as follows:
1
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$ python
>>> ~((4 | 7) ^ (1337 & 424242)) | 0xb055
-291
Put -291
in Ball-o-matic to get the bauble with the nugget
Flag
HV16-2wGq-wOX3-T2oe-n8si-hZ0A