建议使用scanf、inline、printf，还有，好像不打万能头会快0.1s
by Computer1828 @ 2019-08-22 16:42:17
@[拥抱渴望者](/space/show?uid=114173) 好我去试试
by yagyagyag @ 2019-08-22 16:43:32
~~最好吸个氧，手动一个o2~~
by Computer1828 @ 2019-08-22 16:46:53
@[拥抱渴望者](/space/show?uid=114173) dalao好像不行啊，cin改成scanf会答案错误，其他能改的都改了也超时
by yagyagyag @ 2019-08-22 16:49:45
@[拥抱渴望者](/space/show?uid=114173) 吸过了
by yagyagyag @ 2019-08-22 16:49:58