Perfect numbers: Difference between revisions
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(→{{header|Ruby}}: speed u p by using Integer.sqrt) |
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<lang dyalect>func isPerfect(num) { |
<lang dyalect>func isPerfect(num) { |
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var sum = 0 |
var sum = 0 |
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for i in 1.. |
for i in 1..<num { |
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if !i { |
if !i { |
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break |
break |
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} |
} |
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let max = 33550337 |
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print("Perfect numbers from 0 to \(max):") |
print("Perfect numbers from 0 to \(max):") |
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