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문제

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class ListNode {\n    int val;\n    ListNode next;\n    ListNode() {}\n    ListNode(int val) { this.val = val; }\n    ListNode(int val, ListNode next) { this.val = val; this.next = next; }\n}\n\nclass Solution {\n    public static void main(String[] args) {\n\n        ListNode head = new ListNode(1);\n        ListNode cursor = head;\n        for (int i = 2; i <= 5; i++) {\n            ListNode nextNode = new ListNode(i);\n            cursor.next = nextNode;\n            cursor = nextNode;\n        }\n        printNode(head);\n        printNode(reverseList(head));\n    }\n\n    public static void printNode(ListNode head) {\n        while (head != null) {\n            System.out.print(head.val + \" \");\n            head = head.next;\n        }\n        System.out.println();\n    }\n\n    public static ListNode reverseList(ListNode head) {\n        //\n    }
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결과 및 풀이

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