Problem 42494. Which permutation is it?
Let write some permutations of positive integers.
1: 1 2 3 4 5 6 ... 2: 2 1 3 4 ... 3: 1 3 2 4 ... 4: 2 3 1 4 ... 5: 3 1 2 4 ... 6: 3 2 1 4 ... 25: 1 2 3 5 4 ... 120: 5 4 3 2 1 6 7 ...
Given a permutation of integers in range 1:n, return it's index following above pattern.
See also: 42495
Solution Stats
Problem Comments
Solution Comments
Show commentsProblem Recent Solvers31
Suggested Problems
-
Number of 1s in the Binary Representation of a Number
438 Solvers
-
We love vectorized solutions. Problem 1 : remove the row average.
802 Solvers
-
Create Volcano (or Atoll) martix. It is an extension of Bullseye matrix problem.
135 Solvers
-
Replace Nonzero Numbers with 1
362 Solvers
-
74 Solvers
More from this Author40
Problem Tags
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!