Editorial for COCI '08 Contest 6 #1 Buka
Remember to use this editorial only when stuck, and not to copy-paste code from it. Please be respectful to the problem author and editorialist.
Submitting an official solution before solving the problem yourself is a bannable offence.
Submitting an official solution before solving the problem yourself is a bannable offence.
For multiplication, the number of zeroes in the result is the sum of the numbers of zeroes in both numbers. For addition, only a single digit in the larger number will change: a zero into a one, or the leading one into a two.
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