40 lines
958 B
Plaintext
40 lines
958 B
Plaintext
arraybase 1
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dim a = {-6, -3, -2, -1, 0, 1, 3, 4, 5, 7, 8, 9, 10, 11, 14, 15, 17, 18, 19, 20}
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print formatRange(a)
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print
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dim b = {0, 1, 2, 4, 6, 7, 8, 11, 12, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 27, 28, 29, 30, 31, 32, 33, 35, 36, 37, 38, 39}
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print formatRange(b)
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end
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function formatRange (a)
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lb = a[?,]: ub = a[?]
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if ub = - 1 then return ""
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if lb = ub then return string(a[lb])
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rangeCount = 1
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range = string(a[lb])
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for i = lb + 1 to ub
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if a[i] = a[i - 1] + 1 then
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rangeCount += 1
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else
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if rangeCount = 1 then
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range += "," + string(a[i])
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else
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if rangeCount = 2 then
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rangeCount = 1
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range += "," + string(a[i-1]) + "," + string(a[i])
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else
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rangeCount = 1
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range += "-" + string(a[i-1]) + "," + string(a[i])
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end if
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end if
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end if
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next
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if rangeCount = 2 then
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range += "," + string(a[ub])
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else
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if rangeCount > 2 then range += "-" + string(a[ub])
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end if
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return range
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end function
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