nariknahom
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 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