12 2021 档案

The 2021 ICPC Asia Shanghai Regional Programming Contest - B. Strange Permutations 题解
摘要：title: >- The 2021 ICPC Asia Shanghai Regional Programming Contest - B. Strange Permutations date: 2021-12-13 15:27:09 tags: [inclusion-exclusion, com 阅读全文
posted @ 2021-12-13 15:49 LacLic 阅读(742) 评论(0) 推荐(0) 编辑
Educational Codeforces Round 118 (Rated for Div. 2) - F. Tree Coloring 题解
摘要：title: Codeforces-Edu118(Div.2)F. Tree Coloring date: 2021-12-12 23:17:43 tags: [codeforces,div2,cpp,problem F,fft,divide and conquer,merge] 题意 给定一棵树， 阅读全文
posted @ 2021-12-12 23:27 LacLic 阅读(75) 评论(0) 推荐(0) 编辑

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