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终于AC，谈下感想做了两天，终于AC了，主要是不够细心，小的错误很多，调试了很久..... 思路其实只要考虑一种情况可以跳过大量的节点，是上面3个点在同一个pair,中间和下面的也分别在一个pair中，的情况，可以压缩，如： 66666666666 77777777788 88888888888 第二个7开始可以压缩，到倒数第二个7........ Followed by: Post your reply here: |
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