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Initial data commit

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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 72d218235f
commit f23f22d71c
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Task/Mertens-function/APL/mertens-function.apl Normal file
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mertens←{
step ← {⍵,-⍨/⌽1,⍵[⌊n÷1↓⍳n←1+≢⍵]}
m1000 ← step⍣999⊢,1
zero ← m1000+.=0
cross ← +/(~∧1⌽⊢)m1000≠0
⎕←'First 99 Mertens numbers:'
⎕←10 10⍴'∘',m1000
⎕←'M(N) is zero ',(⍕zero),' times.'
⎕←'M(N) crosses zero ',(⍕cross),' times.'
}