所以？AC了么
by UnyieldingTrilobite @ 2020-03-05 13:23:15
@[The_KOG](/user/98051) 输出nan多半是除以0或者负数开根
by QwQcOrZ @ 2020-03-05 13:23:40
你ans是double输出是%.3lf，%.3f是float
by UnyieldingTrilobite @ 2020-03-05 13:23:58
printf里强转会玄学bug
by UnyieldingTrilobite @ 2020-03-05 13:24:17
@[The_KOG](/user/98051)
by UnyieldingTrilobite @ 2020-03-05 13:24:23
头像好评
by SamariumPhosphide @ 2020-03-05 13:34:44
@[return20071007](/user/250637) 改了lf没用
by The_KOG @ 2020-03-05 13:57:01
@[The_KOG](/user/98051)
浮点数用fabs
by UnyieldingTrilobite @ 2020-03-05 13:58:26
@[return20071007](/user/250637) 改了fabs没用QAQ
by The_KOG @ 2020-03-05 13:59:50
谔谔
反正nan一般就是/0呗，估计哪一个函数有问题（比如Inter这种带除法的）
by UnyieldingTrilobite @ 2020-03-05 14:04:02