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solve.go
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package main
//import "fmt"
import "unicode"
/*
func main() {
input := []int{0, 3, 2, 5}
result := RemoveEven(input)
fmt.Println(result) // Должно напечататься [3 5]
gen := PowerGenerator(2)
fmt.Println(gen()) // Должно напечатать 2
fmt.Println(gen()) // Должно напечатать 4
fmt.Println(gen()) // Должно напечатать 8
fmt.Println(DifferentWordsCount("Hello, world!HELLO wOrlD...12"))
// Должно напечатать 2
}
*/
func RemoveEven(s []int) (a []int) {
for _, n := range s {
if n % 2 == 1 {
a = append(a, n)
}
}
return
}
func PowerGenerator(n int) (func() int) {
k := 1
return func() (int) {
k *= n
return k
}
}
func DifferentWordsCount(s string) (count int) {
next := -1
word := ""
dict := make(map[string]bool)
add := func() {
if len(word) > 0 {
if (!dict[word]) {
count++
dict[word] = true
}
word = ""
}
}
for pos, c := range s {
if unicode.IsLetter(c) {
if (pos != next) {
add()
}
word = word + string(unicode.ToLower(c))
next = pos + 1
}
}
add()
return
}