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a case

Posted by o_oXo_o at 2006-07-24 15:52:32 on Problem 2881
  a c
a   b
b   a c
*   * *
#
第一遍扫描发现第一行a是可以去掉的,所以把全文的a都去掉。(造成第二行b可去掉)
第二遍扫描发现第二行b是可以去掉的,所以把全文的b都去掉。(造成第三行c可去掉)
第三遍扫描发现第三行c是可以去掉的,所以把全文的c都去掉。
第四编扫描发现没有任何可以去掉的words, quit.
output:
     
     
       
*   * *
#

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