ZIO 2012 solutions

Can anybody give me the solutions to ZIO 2012? Thanks.

you can download solutions ( only answers ) from iarcs website: [Indian Computing Olympiad - Current - IARCS]
and codechef with some updated editorials : [Zonal Informatics Olympiad (ZIO) | CodeChef]
currently there are no 100% good and complete editorials for ZIO because many students think its easy and only requires some logical thinking and maths…
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