package main import ( "fmt" "sort" ) func main() { m := map[int]bool{} intSlice := []int{} var n int fmt.Scanf("%d", &n) var a int for i := 0; i < n; i ++ { fmt.Scanf("%d", &a) if !m[a] { m[a] = true intSlice = append(intSlice, a) } else { continue ...