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摘要: [Educational Codeforces Round 81 (Rated for Div. 2)]E. Permutation Separation(线段树,思维,前缀和) E. Permutation Separation time limit per test 2 seconds memo 阅读全文
posted @ 2020-02-01 00:23 茄子Min 阅读(553) 评论(2) 推荐(0)
摘要: [Educational Codeforces Round 81 (Rated for Div. 2)] D. Same GCDs (数论,因子分解,容斥定理) D. Same GCDs time limit per test 2 seconds memory limit per test 256 阅读全文
posted @ 2020-01-31 13:30 茄子Min 阅读(300) 评论(0) 推荐(2)
摘要: [Educational Codeforces Round 81 (Rated for Div. 2) C. Obtain The String(序列自动机,贪心) C. Obtain The String time limit per test 1 second memory limit per 阅读全文
posted @ 2020-01-30 23:30 茄子Min 阅读(350) 评论(0) 推荐(0)
摘要: Educational Codeforces Round 81 B. Infinite Prefixes B. Infinite Prefixes time limit per test 2 seconds memory limit per test 256 megabytes input stan 阅读全文
posted @ 2020-01-30 18:39 茄子Min 阅读(305) 评论(0) 推荐(0)
摘要: Codeforces Round 615 (Div. 3) F. Three Paths on a Tree 题目链接:https://codeforces.com/contest/1294/problem/F time limit per test 2 seconds memory limit p 阅读全文
posted @ 2020-01-28 17:47 茄子Min 阅读(326) 评论(0) 推荐(0)
摘要: 牛客挑战赛36 C 纸飞机 (最小链覆盖,LIS+思维,详细题解) 链接:https://ac.nowcoder.com/acm/contest/3782/C 来源:牛客网 纸飞机 时间限制:C/C++ 2秒,其他语言4秒 空间限制:C/C++ 262144K,其他语言524288K 64bit I 阅读全文
posted @ 2020-01-19 00:56 茄子Min 阅读(829) 评论(0) 推荐(0)
摘要: Codeforces Round 612 (Div. 2) C. Garland 动态规划 题目链接: https://codeforces.com/contest/1287/problem/C ​ C. Garland time limit per test 1 second memory lim 阅读全文
posted @ 2020-01-18 16:55 茄子Min 阅读(362) 评论(0) 推荐(0)
摘要: D. Numbers on Tree 构造,树dfs 题目链接:https://codeforces.com/contest/1287/problem/D、 D. Numbers on Tree time limit per test 1 second memory limit per test 2 阅读全文
posted @ 2020-01-18 16:18 茄子Min 阅读(421) 评论(0) 推荐(0)
摘要: 关于 set/map 等容器对string类的 性能指标 测试题目: https://codeforces.com/contest/1287/problem/B 测试的字符串条件其中: 字符串长度为<=30, 字符串个数为<=1500, 且每一个加入和查询的字符串长度相等。 使用set/map 等容 阅读全文
posted @ 2020-01-17 01:06 茄子Min 阅读(301) 评论(0) 推荐(0)
摘要: "Educational Codeforces Round 80 (Rated for Div. 2)" A. Deadline 如果n =d 直接yes 否则对于公式 $x+ceil(d/(x+1)) include include include include include include 阅读全文
posted @ 2020-01-16 00:21 茄子Min 阅读(194) 评论(0) 推荐(1)
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