摘要: Codeforces 1327D Infinite Path You are given a colored permutation $p_1, p_2, \dots, p_n$. The i th element of the permutation has color $c_i$. Let's 阅读全文
posted @ 2020-03-25 10:45 Artoriax 阅读(143) 评论(0) 推荐(0) 编辑