leetcode-go/leetcode/easy/283.move-zeroes.go

func moveZeroes(nums []int)  {
	n := len(nums)
	ptr, cnt := 0, 0
	for i := 0; i < n && ptr < n-cnt; i++ {
		if nums[i] == 0 {
			cnt++
		} else {
			nums[ptr] = nums[i]
			ptr++
		}
	}
	for ptr < n {
		nums[ptr] = 0
		ptr++
	}
}