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纠结死了,纪念下……TLE的注意下……

Posted by 136930775 at 2012-09-13 22:50:55 on Problem 1141
开始用的string的+号连接,g++TLE,c++RE
换成string的insert和append,依然g++TLE,c++RE
最后改成用char的strcat居然就过了,47ms虽然也没有很快,可是用上面那些让我TLE了16次,改掉居然就过了……是string就有那么慢,还是写的太挫了……
目测不是典型错误,还是给TLE点建议吧……

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