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25 lines
376 B

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