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?
fly fly away
Number of Circles in a Number
Calculate the height of an object dropped from the sky
Find nearest prime number less than input number
Given a number find two variables
Rotate a Matrix by 90 degrees
mathematics , probability problem
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