Alexander Udalov
93696ff9bd
This is not something that needs to be intrinsified. Note that compiler optimizations are still possible and the fact whether 'indices' is a member or an extension is irrelevant to the optimizer
20 lines
505 B
Kotlin
20 lines
505 B
Kotlin
package whats.the.difference
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import java.util.HashSet
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fun iarray(vararg a : Int) = a // BUG
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val IntArray.indices: IntRange get() = IntRange(0, lastIndex())
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fun IntArray.lastIndex() = size() - 1
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fun box() : String {
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val vals = iarray(789, 678, 567, 456, 345, 234, 123, 12)
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val diffs = HashSet<Int>()
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for (i in vals.indices)
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for (j in i..vals.lastIndex())
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diffs.add(vals[i] - vals[j])
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val size = diffs.size()
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if (size != 8) return "Fail $size"
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return "OK"
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}
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