Subcategories

• Week 1

  Ordered Arrangements, Venn Diagram, Overlapping Worlds, Careful Casework

  Day 1 Day 2 Day 3 Day 4
  40
  Topics
  128
  Posts

  T

  $Hey everyone! Just wondering shouldn't the answer for this problem be something times 2^5 instead of something times 2^4? Mainly because that was the formula Professor Loh gave us!?$

• Week 2

  Day 5 Day 6 Day 7 Day 8
  30
  Topics
  79
  Posts

  T

  A ✋ thumb is not a finger is it? so we do have 5-1 fingers then!
• Week 3

  Day 9 Day 10 Day 11 Day 12
  43
  Topics
  143
  Posts

  I

  Can you explain the Pigeonhole Principal to me?

• Week 4

  Counting Orderings, Matchings, Pouring Buckets, Polyhedra

  Day 13 Day 14 Day 15 Day 16
  22
  Topics
  57
  Posts

  I

  The modern version of the daily challenge has the algebra course AFTER the combinatorics module. Can you elaborate?