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33 lines
501 B
33 lines
501 B
package main |
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import ( |
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"math/bits" |
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student "student" |
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"lib" |
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) |
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func recursiveFactorial(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 * recursiveFactorial(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("RecursiveFactorial", student.RecursiveFactorial, recursiveFactorial, arg) |
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} |
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}
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