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32 lines
571 B

package main
import (
"fmt"
"os"
"strings"
)
func result(str1 string, str2 string) string {
arraystr1 := []rune(str1)
arraystr2 := []rune(str2)
sizeStr1 := len(arraystr1)
sizeStr2 := len(arraystr2)
var rest []rune
for i := 0; i < sizeStr1; i++ {
for j := 0; j < sizeStr2; j++ {
if arraystr1[i] == arraystr2[j] && !strings.ContainsRune(string(rest), arraystr1[i]) {
rest = append(rest, arraystr1[i])
}
}
}
return string(rest)
}
func main() {
if len(os.Args) == 3 {
fmt.Println(result(os.Args[1], os.Args[2]))
} else {
fmt.Println()
}
}