| RCPC 2026 | A. Among Us | B. Backstab Boulevard | C. Common Decoding | D. Divisors | E. Enchanted Tree | F. Funny Permutations | G. Game on a Tree | H. Happy Triplets | I. Ilie and the Binary Messages | J. Julia and the Festival | K. Kingdom Compression | L. Ladder Permutation Swap | M. Mira and the Random DFS | N. Neighbors from Hell |