Created
October 7, 2012 01:08
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euler 77 in J
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| g =: p:&(] ` 0: @. (<&0)) | |
| q =: p M. | |
| p =: 4 : '(((x-g y)&q) + (x&q@<:)) ` (0: ` 1: @. (x=0&[)) @. ((x<2)&+.@(<&0)) y' | |
| f =: 3 : '(y q (p:^:_1)y) + (0: ` _1: @. (y&=) p:(p:^:_1)y)' | |
| ((1!:2)&2) >:{:([^:((5000&<)@f@])>:)^:a: 3 |
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