TODO:

• https://dmoj.ca/problem/wac4p3 - Squirrel Tag (Editorial - https://dmoj.ca/problem/wac4p3/editorial)
• https://dmoj.ca/problem/dmopc19c7p1 - Hydrocarbons (Editorial - https://dmoj.ca/problem/dmopc19c7p1/editorial)
• https://dmoj.ca/problem/ccoqr16p1 - Stupendous Bowties (Geo + Comb + SS)
• https://dmoj.ca/problem/dmopc20c1p4 - Victor Makes Bank (Matrix Exp.)
• https://dmoj.ca/problem/ccc14s4 - Tinted Glass Window (Geometry)
• https://dmoj.ca/problem/rccc1s2 - Riolku's Mock CCC S2 - (Editorial https://dmoj.ca/problem/rccc1s2/editorial)
• https://dmoj.ca/problem/dmopc20c3p3 - DMOPC '20 Contest 3 P3 - A Ring of Buckets
• https://dmoj.ca/problem/dmopc20c4p2 - DMOPC '20 Contest 4 P2 - Beautiful Grids
• (https://dmoj.ca/problem/dmopc20c4p2/editorial)
• https://dmoj.ca/problem/dmopc20c7p1
• https://dmoj.ca/problem/yac2p1 - Yet Another Contest 2 P1 - Betting (https://dmoj.ca/problem/yac2p1/editorial) Basic Algebra