Install libghc-graphscc-doc by entering the following commands in the terminal:
sudo apt update sudo apt install libghc-graphscc-doc
Description:
Tarjan's algorithm for computing the SCCs of a graph; documentation
Tarjan's algorithm for computing the strongly connected components of a graph. . This package provides the documentation for a library for the Haskell programming language. See http://www.haskell.org/ for more information on Haskell.
Homepage: http://hackage.haskell.org/package/GraphSCC
Version: 1.0.4-3build1
Section: universe/doc