πrates
Ended
Competition has ended.
- #43
Game of Stacks
- #50
Divisibility
- #51
Probability of Squares
- #52
Modular Roots
- #53
Harry and his Magical Boxes
- #54
Find Tuples
- #55
Double Devils
- #56
Playing with Subgraphs
- #57
Smallest Perimeter
- #58
Circle of Death
- #59
Ones and Zeros
- #60
Rolling Dice
- #61
Derangements
- #62
Magic in Boxland
- #63
Seat Yourself
- #64
Polynomials
- #65
Identical Boxes
- #66
Reaching Point
- #67
Finding Limits
- #68
A Mixture of Ryski's Problems
