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读不懂题目的意思啊,最后表示该是怎么样的?谁能给一个数字大点的例子?

Posted by Aimy at 2005-11-30 13:20:08 on Problem 1362

Followed by:

An error in Description : "2i+1 -1" should be 2^(i+1) -1 ... (0) judas 2005-11-30 21:07:45
- sorry for that,has corrected now (0) hawk 2005-11-30 21:10:37
  - :> (25) JUDAS 2005-11-30 21:13:01
- 终于看明白题目了，题目比原题目漏了一点... (568) Aimy 2005-12-07 18:18:40
  - Re:终于看明白题目了，题目比原题目漏了一点... (572) 1rh 2009-04-29 22:35:19

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