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题目:
题解:
- var factors = []int{2, 3, 5}
-
- func isUgly(n int) bool {
- if n <= 0 {
- return false
- }
- for _, f := range factors {
- for n%f == 0 {
- n /= f
- }
- }
- return n == 1
- }
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