#给牛客的问题反馈和建议# 对应测试用例的类的结构,我看不懂,没法自己做调试呀测试用例:{1,2,3,4,5,3,5,#,2,#}入参是RandomListNodepublic class RandomListNode { int label; RandomListNode next = null; RandomListNode random = null; RandomListNode(int label) { this.label = label; }}