Combinatorics

Combinatorics is the study of counting. Different kinds of counting problems can be approached by a variety of techniques.

Student Guides to Combinatorics

• Introductory topics in combinatorics
• Intermediate topics in combinatorics
• Olympiad topics in combinatorics

Resources

Listed below are various combinatorics resources including books, classes, and websites.

Books

• Introductory
  • the Art of Problem Solving Introduction to Counting and Probability by David Patrick (details)
• Intermediate & Beyond
  • the Art of Problem Solving Intermediate Counting and Probability by David Patrick (details)

See also

• Probability
• Introductory Problems
• Intermediate Problems
• Olympiad Problems