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seen Nov 1 '11 at 7:22

Oct
23
comment arranging a 30 character word with letters x, y, z
Its from here projecteuler.net problem 191
Oct
22
awarded  Supporter
Oct
21
comment arranging a 30 character word with letters x, y, z
the answer is 1918080160
Oct
21
comment arranging a 30 character word with letters x, y, z
i am new to this. what is the theory behind this?
Oct
16
awarded  Scholar
Oct
16
accepted How is this probability found (project euler #121)?
Oct
16
comment How is this probability found (project euler #121)?
thanks a lot! now i get it.
Oct
16
comment How is this probability found (project euler #121)?
is the probability of winning 1,2,3 and loosing 4th round $\frac{1}{2}\cdot\frac{1}{3}\cdot\frac{1}{4}$ ?
Oct
16
asked How is this probability found (project euler #121)?
Oct
8
awarded  Student
Oct
8
comment arranging a 30 character word with letters x, y, z
Thats my feeling. I actually need to come with an generalized computer algorithm in the end. I am not looking for answer to the 30 length word question in particular.
Oct
8
comment arranging a 30 character word with letters x, y, z
I dont know how to solve this. I need to know how to approach solving this problem. I know basic permutation/combination techniques.
Oct
8
asked arranging a 30 character word with letters x, y, z