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Re:一开始用先求gcd再求lcm的方法一直WA,后来改用另外一种方法求lcm竟然过了,不明白.............

Posted by HeadHunter at 2013-04-15 14:34:01 on Problem 2369
In Reply To:一开始用先求gcd再求lcm的方法一直WA,后来改用另外一种方法求lcm竟然过了,不明白............. Posted by:KosonLau at 2007-04-19 02:31:11
我用下面的语句过的……只用了int

return a*b/gcd(a,b);
改成
return a/gcd(a,b)*b;


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