2016年9月17日
Codeforces 713 C Sonya and Problem Wihtout a Legend
摘要： Description Sonya was unable to think of a story for this problem, so here comes the formal description. You are given the array containing $n$ positi 阅读全文
posted @ 2016-09-17 19:07 lmxyy 阅读(220) 评论(0) 推荐(0) 编辑