package top100liked

import (
	"fmt"
	"testing"
)

// https://leetcode.cn/problems/move-zeroes/?envType=study-plan-v2&envId=top-100-liked

// func moveZeroes(nums []int) {
// 	for range nums {
// 		for i := 0; i < len(nums); i++ {
// 			if nums[i] == 0 {
// 				if i+1 < len(nums) && nums[i+1] != 0 {
// 					nums[i], nums[i+1] = nums[i+1], nums[i]
// 				}
// 			}
// 		}
// 	}
// }

func moveZeroes(nums []int) {
	size := len(nums)
	left, right := 0, 0
	for right < size {
		if nums[right] != 0 {
			nums[left], nums[right] = nums[right], nums[left]
			left++
		}
		right++
	}
}

func TestS4(t *testing.T) {
	input := []int{0, 1, 0, 3, 12}
	moveZeroes(input)
	fmt.Printf("%+v", input)
}