Michael Nedzelsky
53 lines
1.2 KiB
Kotlin
53 lines
1.2 KiB
Kotlin
package foo
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fun fact(n: Int): Long = if (n == 1) 1L else n * fact(n - 1)
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fun fib(n: Int): Long {
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var a = 0L
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var b = 1L
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for (i in 2..n) {
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var tmp = a
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a = b
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b = b + tmp
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}
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return b
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}
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fun box(): String {
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assertEquals(30.0, 10L + 20.0)
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assertEquals(30.0f, 10L + 20.0f)
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assertEquals(30L, 10L + 20L)
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assertEquals(30L, 10L + 20)
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assertEquals(30L, 10L + (20: Short))
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assertEquals(30L, 10L + (20: Byte))
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assertEquals(30.0, 20.0 + 10L)
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assertEquals(30.0f, 20.0f + 10L)
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assertEquals(20L, 10 + 10L)
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assertEquals(20L, (10: Short) + 10L)
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assertEquals(20L, (10: Byte) + 10L)
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assertEquals(20L, 30 - 10L)
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assertEquals(100L, 10 * 10L)
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assertEquals(100.0, 10.0 * 10L)
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assertEquals(100L, 10L * 10)
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assertEquals(100.0, 10L * 10.0)
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assertEquals(100L, 1000L / 10)
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assertEquals(100L, 1000 / 10L)
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assertEquals(100.0, 1000L / 10.0)
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assertEquals(100.0, 1000.0 / 10L)
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assertEquals(2L, 100L % 7)
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assertEquals(2L, 100 % 7L)
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assertEquals(2432902008176640000L, fact(20))
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assertEquals(12586269025L, fib(50))
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assertEquals(7540113804746346429L, fib(92))
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return "OK"
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} |