Problem1008--1061

1008: 1061

Time Limit: 1 Sec  Memory Limit: 128 MB
Submit: 2  Solved: 0
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Description

给定一个单链表 L1L2Ln1Ln,请编写程序将链表重新排列为 L3 LnL1L2

Sample Input Copy

1 2 3 4 5 6

Sample Output Copy

3 4 5 6 1 2

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