Nonograms: Combinatorial questions and algorithms Academic Article uri icon


  • The Nonograms puzzle, also known as Paint by Numbers, is a Japanese logic puzzle. It has been shown that the general problem of solving it is NP-hard. In this paper, we answer several theoretical questions related to the puzzle. In addition, we present a new solver and compare its performance with that of existing solvers.

publication date

  • January 1, 2014