11183| 17
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至少进行几次相邻两数位置互换,才能将 {1,2,…,100} 变成 {2,4,…,100,99,97,…,1}? |
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点评
WENTISHI问题是:这是一个怎样的序列,不知道呀?怎么找出隐藏期间的规律呢?
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