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3 September 2026

• 10:0810:08, 3 September 2026 DSA/Chessboards and Queens (hist | edit) [11,879 bytes] Admin (talk | contribs) (Create Chessboard & Queens problem solution)

31 August 2026

• 10:3410:34, 31 August 2026 DSA/CSES 2Knights (hist | edit) [4,455 bytes] Admin (talk | contribs) (Created page with "== Non-Attacking Knights on a k×k Board == '''Problem.''' For every board size <math>k = 1, 2, \dots, n</math>, count the number of ways to place ''two'' knights on a <math>k \times k</math> chessboard so that they do not attack each other. The core is instead of calculating the possible combinations of placements which is confusing we can do ''total_possibilities - attacking_squares'' ---- === Step 1: Total ways to place two knights, ignoring attacks === A <math>k...") Tag: Visual edit: Switched