Created
January 20, 2014 02:37
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| let rec pow n x = | |
| if n <= 1 then x | |
| else let stack = pow (n/2) x in | |
| if n mod 2 = 0 then stack*stack | |
| else x*stack*stack | |
| let cube x = pow 3 x | |
| let rec pow2 x n = | |
| if n <= 1 then x | |
| else let stack = pow2 x (n/2) in | |
| if n mod 2 = 0 then stack*stack | |
| else x*stack*stack | |
| let cube2 x = pow2 x 3 |
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