Intersection of Two Arrays

Intersection_of_Two_Arrays.go

func intersection(nums1 []int, nums2 []int) []int {
    var temp  []int
    if len(nums1) == 0 || len(nums2)==0  {
        return temp
    }
    temp1 := make(map[int]int) 
    temp2 := make(map[int]int)
    for _, v := range nums1 {
        temp1[v] = v
    }
    
    for _,v := range nums2 {
        temp2[v] =1
    }
    fmt.Println(temp1)
    fmt.Println(temp2)
    for k ,v := range temp1 {
        //_ , ok1 := temp1[k]
        _ , ok2 := temp2[k]
        if   ok2  {
            temp = append(temp, v)
        }
    }
    return temp
}


func intersection(nums1 []int, nums2 []int) []int {
    m := make(map[int]bool)
    for _,num := range nums1 {
        m[num] = true
    }
    
    var v []int
    for _,num := range nums2 {
        if m[num] {
            v = append(v, num)
            delete(m,num)
        }
    }
    
    return v
}