scanf
by qilin1025 @ 2019-11-20 12:56:04
~~吸氧~~@[留心点银](/user/131525)
by a_bottle @ 2019-11-20 12:57:22
顺便吐槽一句我考试代码把两个if(k<size)写成了if(k<=size)……蒟蒻瞬间死去
by 留心点银 @ 2019-11-20 12:57:25
@[a_bottle](/user/133226) 哇！谢谢红名大佬的指点
by 留心点银 @ 2019-11-20 12:57:43
标准答案
~~~
ans = N^(N>>1)
~~~
by 1saunoya @ 2019-11-20 12:59:57
@[Isaunoya](/user/96580) ~~然鹅我还是想优化二分……位运算在考试的时候蒟蒻基本搞不出来【大哭】~~
by 留心点银 @ 2019-11-20 13:07:51