Problems from SUB 2022 Season Contest 5

These problems are from a contest hosted on December 30, 2021 at 1:00 PM UTC. See details...

Standings
A. Bad Neighbors
In the strange neighborhood of Nocu, a lot of people lives pretty happily, or so they think. Like mo...
B. Easy Sequence 1
Let’s define an easy sequence F. Where: F(1)=1 F(2X)=F(X)2+1 F(2X+1)=F(X)×F(X+1)+2 Here X is a posit...
C. Minimizing Sphere
You will be given some points in a 3D co-ordinate system. You have to find the minimum volume of the...
D. Easy Sequence 2
Let’s define a easy sequence F. Where $ F(1) = 1 $ $ F(2X) = F(X)^2 + 1 $ $ F(2X+1) = F(X) \times F(...
E. Fast Co-Prime
Two numbers A and B are called co-prime if the only common positive factor of the two numbers is 1. ...
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