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FT……这题有两个问题,害我RE*3,问题如下:

Posted by JiangLY at 2005-06-05 00:39:47 on Problem 1330
1.of the next 1 - N lines contains a pair of integers that represent an edge
  ==========================================================================>
  of the next 1 - N-1 lines contains a pair of integers that represent an edge
2.the number of nodes in a tree, 2<=N<=10,000. 
  ==========================================================================>
  N>10,000!!!!!

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