摘要：
http://acm.csu.edu.cn/OnlineJudge/problem.php?id=13961396: Erase SecurelyTime Limit:1 SecMemory Limit:128 MBSubmit:102Solved:60[Submit][Status][Web Bo... 阅读全文
摘要：
http://acm.csu.edu.cn/OnlineJudge/problem.php?id=13951395: TimebombTime Limit:1 SecMemory Limit:128 MBSubmit:139Solved:55[Submit][Status][Web Board]De... 阅读全文