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摘要: [Ozon Tech Challenge 2020 (Div.1 + Div.2, Rated] E. Kuroni and the Score Distribution(构造) Kuroni is the coordinator of the next Mathforces round writt 阅读全文
posted @ 2020-03-04 17:24 茄子Min 阅读(220) 评论(0) 推荐(0) 编辑
摘要: [Ozon Tech Challenge 2020 (Div.1 + Div.2, Rated] D. Kuroni and the Celebration(交互题+树的性质) This is an interactive problem. After getting AC after 13 Tim 阅读全文
posted @ 2020-03-04 15:24 茄子Min 阅读(181) 评论(0) 推荐(0) 编辑
摘要: [AtCoder Beginner Contest 151] E Max Min Sums (预处理组合数学,贡献) Problem Statement For a finite set of integers XX, let f(X)=maxX−minXf(X)=maxX−minX. Given 阅读全文
posted @ 2020-03-03 00:20 茄子Min 阅读(318) 评论(0) 推荐(0) 编辑
摘要: 牛客练习赛58 F XOR TREE(结论+树链剖分+线段树) 链接:https://ac.nowcoder.com/acm/contest/4090/F 来源:牛客网 XOR TREE 时间限制:C/C++ 1秒,其他语言2秒 空间限制:C/C++ 262144K,其他语言524288K 64bi 阅读全文
posted @ 2020-03-01 01:20 茄子Min 阅读(505) 评论(0) 推荐(0) 编辑
摘要: AtCoder Beginner Contest 152 F Tree and Constraints (容斥定理+树上路径的性质) We have a tree with NN vertices numbered 11 to NN. The ii th edge in this tree conn 阅读全文
posted @ 2020-02-27 00:16 茄子Min 阅读(511) 评论(0) 推荐(0) 编辑
摘要: [Codeforces Round 622 (Div. 2)] C2. Skyscrapers (hard version) (单调栈) C2. Skyscrapers (hard version) time limit per test 3 seconds memory limit per tes 阅读全文
posted @ 2020-02-24 18:03 茄子Min 阅读(322) 评论(0) 推荐(0) 编辑
摘要: 2018牛客国庆集训派对Day1 D Love Live! (01字典数+树上启发式合并/静态链分治) 链接:https://ac.nowcoder.com/acm/contest/201/D 来源:牛客网 Love Live! 时间限制:C/C++ 1秒,其他语言2秒 空间限制:C/C++ 104 阅读全文
posted @ 2020-02-22 22:19 茄子Min 阅读(219) 评论(0) 推荐(0) 编辑
摘要: [Codeforces Round 620 (Div. 2)] E. 1 Trees and Queries time limit per test 4 seconds memory limit per test 512 megabytes input standard input output s 阅读全文
posted @ 2020-02-17 21:42 茄子Min 阅读(250) 评论(0) 推荐(0) 编辑
摘要: AtCoder Beginner Contest 155 D Pairs , E Payment 题解 D Pairs We have NN integers A1,A2,...,ANA1,A2,...,AN. There are N(N−1)2N(N−1)2 ways to choose two 阅读全文
posted @ 2020-02-17 15:47 茄子Min 阅读(517) 评论(0) 推荐(1) 编辑
摘要: [Educational Codeforces Round 82 (Rated for Div. 2)] D. Fill The Bag (二进制拆分,贪心) D. Fill The Bag time limit per test 2 seconds memory limit per test 25 阅读全文
posted @ 2020-02-14 23:09 茄子Min 阅读(177) 评论(0) 推荐(0) 编辑
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