APCS BFS BIT DAG DC DFS DP DSU Dijkstra Flow KMP LCA MST TOI Z abba algo bigraph binary_search bit bitset brute calculus class compare contest cses deque difference dijkstra eg. exam fast-power fib geometry gp gp_hash_table graph greedy half-brute hash lazy-tag list lower_bound map math multiset offline operator own-template pb_ds permutation pointer pref prime priority_queue queue re re-search search seg_tree set solution sort sparse_table sqrt stack string struct sweep-line table tapo tapoo test time-stamp tree two-pointer undo unordered_set vector