freeCodeCamp/curriculum/math-challenges/42-combinatorics
..
covering-circuits-and-graph-coloring.json
elements-of-graph-theory.json
games-with-graphs.json
general-enumeration.json
generating-functions.json
inclusion-exclusion.json
network-algorithms.json
polya-enumeration-formula.json
recurrence-relations.json
trees-and-searching.json