Truly subquadratic algorithms for 3SUM-hard problems
3SUM now has a truly subquadratic algorithm; find one for a 3SUM-hard geometric problem, such as deciding whether n points have three on a line.
| 1 | { |
| 2 | "domain": "computer-science", |
| 3 | "topics": [ |
| 4 | "algorithms-complexity", |
| 5 | "computational-geometry" |
| 6 | ], |
| 7 | "type": "algorithm", |
| 8 | "also": [ |
| 9 | "proof" |
| 10 | ], |
| 11 | "source": { |
| 12 | "key": "topp", |
| 13 | "name": "The Open Problems Project", |
| 14 | "url": "https://topp.openproblem.net/p11", |
| 15 | "id": "11", |
| 16 | "curator": "Erik D. Demaine, Joseph S. B. Mitchell and Joseph O'Rourke", |
| 17 | "poser": "Anka Gajentaan and Mark H. Overmars", |
| 18 | "status": "open", |
| 19 | "as_of": "2026-10-20", |
| 20 | "catalog": "0521c19bbd38" |
| 21 | } |
| 22 | } |