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Results tagged with number-theory
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user 111059
Number theory involves properties and relationships of numbers, primarily positive integers.
1
vote
Ellipse Lattice Point Counter
Uiua, 43 41 bytes
Returns the number of interior points on the top of the stack, and the number of boundary points on the bottom.
∩/+<1:=1./+ⁿ2÷:-⍉☇1⇡+1×2..⊂
Try It
∩/+<1:=1./+ⁿ2÷:-⍉☇1⇡+1×2..⊂
…
- 131
0
votes
Sophie Safe primes
Uiua, 63 Bytes
▽⍥×3∩∩∵(¬∊0↘2◿⇡.)⌊÷2:+1×2⍥.4↘3+1⇡
Try It
▽⍥×3∩∩∵(¬∊0↘2◿⇡.)⌊÷2:+1×2⍥.4↘3+1⇡
+1⇡ # generate all numbers from [1, n]
↘3 # drop …
- 131