Remove Element

ID: 27; Easy

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Solution 1

func removeElement(nums []int, val int) int {
    i := 0
    for j := 0; j < len(nums); j++ {
        if nums[j] != val {
            nums[j], nums[i] = nums[i], nums[j]
            i++
        } 
    }
    return i
}

Solution 2

func removeElement(nums []int, val int) int {
    i := 0
    for j := 0; j < len(nums); j++ {
        if nums[j] != val {
            nums[i] = nums[j]
            i++
        } 
    }
    return i
}