| 1000 - 10000 | n^2^ | largest empty rectangle, Dijkstra, Prim (on dense graphs) | |
| 30000 | n^1.585^, n sqrt n| Karatsuba, 'square root trick':blog/square-root-trick |two level tree |
| 60000 | n log^2^ n| divide and conquer | 2d range trees |
| 100000 | n log n | divide and conquer, sweep line, Kruskal, Dijkstra | segment trees, range trees, heaps, treaps, binary indexed trees, suffix arrays |
| 1000000 | n, n log log n, n log* n | set intersection, Eratosthenes sieve, radix sort, KMP, topological sort, euler tour, strongly connected components, 2sat | disjoint sets, tries, hash_map, 'rolling hash':blog/rolling-hash |
| 100000 | n log n | sorting, divide and conquer, sweep line, Kruskal, Dijkstra | segment trees, range trees, heaps, treaps, binary indexed trees, suffix arrays |
| 1000000 | n, n log log n, n log* n | set intersection, Eratosthenes sieve, radix sort, KMP, topological sort, Euler tour, strongly connected components, 2sat | disjoint sets, tries, hash_map, 'rolling hash':blog/rolling-hash |
| 1000000000 | log n, sqrt n | binary search, ternary search, fast exponentiation, euclid algorithm | |
