2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/33180We wish to tile a rectangle or a torus with only vertical and horizontal bars of a given length, such that the number of bars in every column and row equals given numbers. We present results for particular instances and for a more general problem, while leaving open the initial problem.Updated referencesData Structures and AlgorithmsComputational ComplexityF.2.2text