Exact cover
4 methods in the atlas attack this one problem. They are rivals: each wins something the others do not.
Phrasings that mean this problem
Exact-cover backtracking supportTiling puzzleExact cover
backtracking-cp
- Knuth's Algorithm XDancing linkscanonbacktracking-cp
- Knuth's Algorithm XMinimum-column branchingstandardbacktracking-cp
puzzles-recreational
- Polyomino tilingDancing links exact coverstandardpuzzles-recreational
search-structures
- Dancing linksstandalonestandardsearch-structures