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25 lines
376 B
25 lines
376 B
package main |
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import ( |
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student "student" |
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"lib" |
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"lib/is" |
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) |
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func findPrevPrime(nb int) int { |
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if nb < 2 { |
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return 0 |
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} |
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if is.Prime(nb) { |
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return nb |
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} |
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return findPrevPrime(nb - 1) |
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} |
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func main() { |
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elems := append(lib.MultRandIntBetween(0, 99999), 5, 4, 1) |
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for _, elem := range elems { |
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lib.Challenge("FindPrevPrime", student.FindPrevPrime, findPrevPrime, elem) |
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} |
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}
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