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+ /**
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+ * Definition for singly-linked list.
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+ * class ListNode {
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+ * val: number
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+ * next: ListNode | null
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+ * constructor(val?: number, next?: ListNode | null) {
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+ * this.val = (val===undefined ? 0 : val)
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+ * this.next = (next===undefined ? null : next)
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+ * }
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+ * }
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+ */
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+ /**
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+ * n번째 노드 제거하기
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+ * 알고리즘 복잡도
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+ * - 시간 복잡도: O(n)
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+ * - 공간 복잡도: O(n)
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+ * @param head
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+ * @param n
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+ */
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+ function removeNthFromEnd ( head : ListNode | null , n : number ) : ListNode | null {
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+ let stack : ListNode [ ] = [ ] ;
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+ let node = head ;
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+
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+ while ( node ) {
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+ stack . push ( node ) ;
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+ node = node . next ;
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+ }
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+
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+ // 첫 번째 노드를 제거하는 경우 추가
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+ if ( stack . length - n - 1 < 0 ) {
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+ return head ?. next || null ;
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+ }
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+
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+ const prevNode = stack [ stack . length - n - 1 ] ;
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+ prevNode . next = prevNode . next ?. next || null ;
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+
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+ return head ;
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+ }
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