I lost to Doug.
Remove all the words that end with "ain"
Remove the polynomials that have positive real elements of their roots.
Read a Soroban Abacus
Who knows the last digit of pi?
Square Digits Number Chain Terminal Value (Inspired by Project Euler Problem 92)
Scoring for oriented dominoes
Getting the absolute index from a matrix
Project Euler: Problem 6, Natural numbers, squares and sums.
How many trades represent all the profit?
Implement simple rotation cypher
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