16 lines
481 B
Kotlin
16 lines
481 B
Kotlin
fun main(args: Array<String>) = args.forEach { Triangle(it.toInt()) }
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internal class Triangle(n: Int) {
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init {
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println("$n rows:")
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var printMe = 1
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var printed = 0
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var row = 1
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while (row <= n) {
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val cols = Math.ceil(Math.log10(n * (n - 1) / 2 + printed + 2.0)).toInt()
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print("%${cols}d ".format(printMe))
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if (++printed == row) { println(); row++; printed = 0 }
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printMe++
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}
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}
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}
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