![](https://cdn.luogu.com.cn/upload/pic/17697.png)
${2_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_{3_3}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}$
by 氷スイカ233 @ 2018-06-01 08:40:21
求
# ${d_{a_{l_{a_o}}}}$
by 氷スイカ233 @ 2018-06-01 08:41:59
我没有用malloc的习惯,教练教我们的方法是内存池,因为新建链表比较耗时间
by yfct @ 2018-06-01 18:26:27