Phase 5 / binary_search/greedy/partition
Phase 4 / greedy/fixed_points/segment_cover
Phase 4 / prefix_products/range_query
Phase 5 / trees/pruning/path_max
Phase 4 / number_theory/primes/difference
Phase 5 / graphs/parity/path_reversal
Phase 4 / number_theory/powers_of_two
Phase 5 / greedy/xor/array_manipulation
Phase 4 / combinatorics/range_query/increasing_triplets
Phase 5 / graphs/xor/connected_subgraph
Phase 4 / palindromes/dp/partition
Phase 5 / number theory, primes, greedy