Qualification round just ended. How to solve A, C, D?
UPD Problems — https://www.dropbox.com/s/ywyczn0m0n5q7ts/problems-e-000815.pdf?dl=0
ZKSh-2016 Extra Qualification Discussion
Qualification round just ended. How to solve A, C, D?
UPD Problems — https://www.dropbox.com/s/ywyczn0m0n5q7ts/problems-e-000815.pdf?dl=0