There are n different symbols in which m symbols are identical (m<n). How many different arrangement can we make with these symbols?
n different symbols but m symbols are identical ?!?!? What the hell
The description isn't clear.
Could you at least add a non-trivial example?
Increment a number, given its digits
Create One Large Eye of size N x N Quickly?
How many trades represent all the profit?
Basics: 'Find the eigenvalues of given matrix
Length of the hypotenuse
mathematics , probability problem
Calculate the area of a triangle between three points
Replace Vector Elements
Find number of days
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