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32 lines
487 B
32 lines
487 B
5 years ago
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package main
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import (
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"math/bits"
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"./student"
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)
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func iterativeFactorial(nb int) int {
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limit := 20
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if nb < 0 || nb > limit {
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return 0
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}
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if nb == 0 {
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return 1
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}
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return nb * IterativeFactorial(nb-1)
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}
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func main() {
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if bits.UintSize != 64 {
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panic("only works on 64 bits CPU")
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}
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table := append(
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lib.MultRandInt(),
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lib.IntRange(0, 20)...,
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)
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for _, arg := range table {
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lib.Challenge("IterativeFactorial", student.IterativeFactorial, iterativeFactorial, arg)
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}
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}
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