A.K.Goharshady's blog

By A.K.Goharshady, 13 years ago, In English
Problem A:
This was indeed the easiest problem. You just needed to XOR the given sequences.
The only common mistake was removing initial 0s which led to "Wrong Answer"
Common mistake in hacks which led to "Invalid Input" was forgetting that all lines in input ends with EOLN.


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