摘要：
https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=2671 #include <iostream>#include <stdio.h>#include <qu 阅读全文
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摘要：
https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=2671 #include <iostream>#include <stdio.h>#include <qu 阅读全文
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