[kotlin] leetcode - 283. Move Zeroes

283. Move Zeroes : https://leetcode.com/problems/move-zeroes/

Move Zeroes - LeetCode

class Solution {
    fun moveZeroes(nums: IntArray): Unit {
        val arr = arrayListOf<Int>();
        val numList = arrayListOf<Int>();
        
        nums.forEach{
            when(it) {
                0 -> arr.add(it)
                else -> numList.add(it)
            }
        }

        //원본 배열에 덮어씌우기 
      
        val sorted = numList + arr
        
        nums.indices.forEach{
            nums[it] = sorted[it]
        }
        
    }
}

74 / 74 test cases passed.	Status:  Accepted
Runtime: 709 ms Memory Usage: 72.6 MB	Submitted: 6 minutes ago

 

주어지는 배열은 수정 불가 배열

수정 가능한 배열 : arrayListOf() 와 mutableListOf() 

 

indices => index value of list