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(julia example) |
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{ 8 } { 8 } -> 1 |
{ 8 } { 8 } -> 1 |
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</pre> |
</pre> |
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=={{header|Julia}}== |
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<lang julia>J(A, B) = begin i, u = length(A ∩ B), length(A ∪ B); u == 0 ? NaN : i // u end |
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A = Int[] |
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B = [1, 2, 3, 4, 5] |
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C = [1, 3, 5, 7, 9] |
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D = [2, 4, 6, 8, 10] |
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E = [2, 3, 5, 7] |
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F = [8] |
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testsets = [A, B, C, D, E, F] |
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println("Set A Set B J(A, B)\n", "-"^44) |
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for a in testsets, b in testsets |
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println(rpad(isempty(a) ? "[]" : a, 18), rpad(isempty(b) ? "[]" : b, 18), |
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replace(string(J(a, b)), "//" => "/")) |
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end |
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</lang>{{out}} |
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<pre> |
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Set A Set B J(A, B) |
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-------------------------------------------- |
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[] [] NaN |
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[] [1, 2, 3, 4, 5] 0/1 |
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[] [1, 3, 5, 7, 9] 0/1 |
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[] [2, 4, 6, 8, 10] 0/1 |
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[] [2, 3, 5, 7] 0/1 |
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[] [8] 0/1 |
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[1, 2, 3, 4, 5] [] 0/1 |
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[1, 2, 3, 4, 5] [1, 2, 3, 4, 5] 1/1 |
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[1, 2, 3, 4, 5] [1, 3, 5, 7, 9] 3/7 |
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[1, 2, 3, 4, 5] [2, 4, 6, 8, 10] 1/4 |
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[1, 2, 3, 4, 5] [2, 3, 5, 7] 1/2 |
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[1, 2, 3, 4, 5] [8] 0/1 |
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[1, 3, 5, 7, 9] [] 0/1 |
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[1, 3, 5, 7, 9] [1, 2, 3, 4, 5] 3/7 |
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[1, 3, 5, 7, 9] [1, 3, 5, 7, 9] 1/1 |
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[1, 3, 5, 7, 9] [2, 4, 6, 8, 10] 0/1 |
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[1, 3, 5, 7, 9] [2, 3, 5, 7] 1/2 |
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[1, 3, 5, 7, 9] [8] 0/1 |
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[2, 4, 6, 8, 10] [] 0/1 |
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[2, 4, 6, 8, 10] [1, 2, 3, 4, 5] 1/4 |
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[2, 4, 6, 8, 10] [1, 3, 5, 7, 9] 0/1 |
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[2, 4, 6, 8, 10] [2, 4, 6, 8, 10] 1/1 |
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[2, 4, 6, 8, 10] [2, 3, 5, 7] 1/8 |
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[2, 4, 6, 8, 10] [8] 1/5 |
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[2, 3, 5, 7] [] 0/1 |
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[2, 3, 5, 7] [1, 2, 3, 4, 5] 1/2 |
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[2, 3, 5, 7] [1, 3, 5, 7, 9] 1/2 |
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[2, 3, 5, 7] [2, 4, 6, 8, 10] 1/8 |
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[2, 3, 5, 7] [2, 3, 5, 7] 1/1 |
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[2, 3, 5, 7] [8] 0/1 |
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[8] [] 0/1 |
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[8] [1, 2, 3, 4, 5] 0/1 |
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[8] [1, 3, 5, 7, 9] 0/1 |
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[8] [2, 4, 6, 8, 10] 1/5 |
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[8] [2, 3, 5, 7] 0/1 |
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[8] [8] 1/1 |
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</pre> |
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=={{header|Wren}}== |
=={{header|Wren}}== |