4 Answered Questions

13 Answered Questions

[SOLVED] Taking Seats on a Plane

6 Answered Questions

5 Answered Questions

5 Answered Questions

5 Answered Questions

[SOLVED] What does $\binom{-n}{k}$ mean?

  • 2012-10-20 21:44:59
  • Snowball
  • 814 View
  • 10 Score
  • 5 Answer
  • Tags:   combinatorics

3 Answered Questions

4 Answered Questions

7 Answered Questions

1 Answered Questions

[SOLVED] Probability distribution in the coupon collector's problem

1 Answered Questions

[SOLVED] 6-letter permutations in MISSISSIPPI

3 Answered Questions

[SOLVED] How to use stars and bars?

  • 2014-08-27 11:31:02
  • Partly Putrid Pile of Pus
  • 34410 View
  • 24 Score
  • 3 Answer
  • Tags:   combinatorics

3 Answered Questions

[SOLVED] Number of permutations of $n$ where no number $i$ is in position $i$

1 Answered Questions

[SOLVED] extended stars-and-bars problem(where the upper limit of the variable is bounded)

  • 2013-11-06 06:10:31
  • Niaz Mohammad Khan
  • 3139 View
  • 5 Score
  • 1 Answer
  • Tags:   combinatorics

9 Answered Questions

3 Answered Questions

[SOLVED] Calculating the total number of surjective functions

6 Answered Questions

3 Answered Questions

[SOLVED] Enumerating number of solutions to an equation

4 Answered Questions

[SOLVED] Combinatorial proof

2 Answered Questions

3 Answered Questions

5 Answered Questions

[SOLVED] Number of ways to write n as a sum of k nonnegative integers

  • 2012-10-20 20:04:39
  • Yellow
  • 85191 View
  • 52 Score
  • 5 Answer
  • Tags:   combinatorics