Phase 5 / arrays, greedy, math
Phase 5 / arrays, hashset, greedy
Phase 5 / arrays, greedy, math
Phase 4 / sliding_window, frequency_map
Phase 4 / dp, house_robber_variant
Phase 4 / sliding_window, hash_map
Phase 1 / bfs, modulo
Phase 1 / monotonic_stack, range
Phase 1 / greedy, inversion_count
Phase 1 / sliding_window, monotonic_queue, greedy
Phase 1 / dp, subsequence
Phase 1 / sliding_window, hashing