Given two positive numbers n and k, where n>=k. In how many ways can we write n as sum of k positive numbers. Same numbers but different orders are considered different.
Example
For n=5, k=2 the answer is 4.
5 = 1 + 4
5 = 2 + 3
5 = 3 + 2
5 = 4 + 1
Solution Stats
Problem Comments
4 Comments
Solution Comments
Show comments
Loading...
Problem Recent Solvers24
Suggested Problems
-
14144 Solvers
-
5054 Solvers
-
Sum all integers from 1 to 2^n
17529 Solvers
-
Determine the length of a string of characters
267 Solvers
-
Test Problem; Create a 5x5 array containing all ones
405 Solvers
More from this Author5
Problem Tags
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!
please correct the reference solution to com(x,k) instead of com(x)
Please correct test cases, the function should have 2 arguments.
Error message: Not enough input arguments.
The test suite has been corrected.