Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Make Me a Match



Isabel M. Beichl, F Sullivan


This is a tutorial article on the Hopcroft-Karp algorithm for finding a maximal matching in an undirected graph.
IEEE Computing in Science and Engineering


backtrack algorithms, combinatorial problems, graph traversal, matchings


Beichl, I. and Sullivan, F. (1997), Make Me a Match, IEEE Computing in Science and Engineering (Accessed July 21, 2024)


If you have any questions about this publication or are having problems accessing it, please contact

Created October 1, 1997, Updated February 17, 2017