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此题AC技巧1、题目中第四点是说“任何元素不能和它的任何一个祖先重名”。 2、步骤: 1.分解测试点 2.词法分析，化字为词。 3.递归语法分析，建立DOM，顺便检查。 Followed by: Post your reply here: |
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