It's very sad that there is no matlab function "npermsk".
Not work for R is long, and k is small.
For example, R = 1:100, k = 2.
@li haitao, the max digital is 9. If length of R great than 10, it is another problem. I think you can submit a problem like this but larger R.
@ Binbin Qi, You're right.
Word Counting and Indexing
Given two strings, find the maximum overlap
What is the distance from point P(x,y) to the line Ax + By + C = 0?
"Look and say" sequence
MATLAB Basic: rounding III
S-T-R-E-T-C-H I-T O-U-T
How many days?!?
Break it up! Break it up!
Circular Primes (based on Project Euler, problem 35)
It's going down. We're finding simbers!
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