2017 年 3月随笔档案 - 半根毛线

Codeforces Round #407 (Div. 2)A B C 水暴力最大子序列和

摘要：A. Anastasia and pebbles time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output A. Anastasia and 阅读全文

posted @ 2017-03-30 20:34 半根毛线阅读(682) 评论(0) 推荐(0)

Codeforces Round #358 (Div. 2) A B C 水水 dfs序+dp

摘要：A. Alyona and Numbers time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output After finishing eat 阅读全文

posted @ 2017-03-29 23:50 半根毛线阅读(188) 评论(0) 推荐(0)

51nod 1225 数学

摘要：F(n) = (n % 1) + (n % 2) + (n % 3) + ...... (n % n)。其中%表示Mod，也就是余数。例如F(6) = 6 % 1 + 6 % 2 + 6 % 3 + 6 % 4 + 6 % 5 + 6 % 6 = 0 + 0 + 0 + 2 + 1 + 0 = 3 阅读全文

posted @ 2017-03-28 23:11 半根毛线阅读(364) 评论(0) 推荐(0)

HDU 4584 splay

摘要：Shaolin Time Limit: 3000/1000 MS (Java/Others) Memory Limit: 65535/32768 K (Java/Others)Total Submission(s): 3021 Accepted Submission(s): 1273 Problem 阅读全文

posted @ 2017-03-27 20:41 半根毛线阅读(267) 评论(0) 推荐(0)

bzoj 1588 平衡树 splay

摘要：1588: [HNOI2002]营业额统计 Description 营业额统计 Tiger最近被公司升任为营业部经理，他上任后接受公司交给的第一项任务便是统计并分析公司成立以来的营业情况。 Tiger拿出了公司的账本，账本上记录了公司成立以来每天的营业额。分析营业情况是一项相当复杂的工作。由于节假日阅读全文

posted @ 2017-03-25 22:08 半根毛线阅读(281) 评论(0) 推荐(0)

HDU 4722 数位dp

摘要：Good Numbers Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 4753 Accepted Submission(s): 1511 Pr 阅读全文

posted @ 2017-03-24 21:24 半根毛线阅读(401) 评论(0) 推荐(0)

HDU 3709 数位dp

摘要：Balanced Number Time Limit: 10000/5000 MS (Java/Others) Memory Limit: 65535/65535 K (Java/Others)Total Submission(s): 5276 Accepted Submission(s): 252 阅读全文

posted @ 2017-03-24 21:04 半根毛线阅读(157) 评论(0) 推荐(0)

poj 1655 树的重心

摘要：Balancing Act Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 13178 Accepted: 5565 Description Consider a tree T with N (1 <= N <= 20,000) 阅读全文

posted @ 2017-03-23 22:42 半根毛线阅读(431) 评论(0) 推荐(0)

HDU 3652 数位dp

摘要：B-number Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 5894 Accepted Submission(s): 3389 Proble 阅读全文

posted @ 2017-03-21 22:45 半根毛线阅读(157) 评论(0) 推荐(0)

HDU 4389 数位dp

摘要：X mod f(x) Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2992 Accepted Submission(s): 1171 Prob 阅读全文

posted @ 2017-03-21 22:43 半根毛线阅读(357) 评论(0) 推荐(0)

Codeforces Round #405 (rated, Div. 2, based on VK Cup 2017 Round 1)A B C 水并查集思路

摘要：A. Bear and Big Brother time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output A. Bear and Big B 阅读全文

posted @ 2017-03-20 21:08 半根毛线阅读(383) 评论(0) 推荐(0)

Codeforces Round #385 (Div. 2)A B C 模拟水并查集

摘要：A. Hongcow Learns the Cyclic Shift time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output A. Ho 阅读全文

posted @ 2017-03-20 20:49 半根毛线阅读(194) 评论(0) 推荐(0)

Codeforces Round #404 (Div. 2)A B C二分

摘要：A. Anton and Polyhedrons time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output A. Anton and Po 阅读全文

posted @ 2017-03-16 21:05 半根毛线阅读(283) 评论(0) 推荐(0)

HDU 2586 倍增法求lca

摘要：How far away ？ Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 14685 Accepted Submission(s): 5554 阅读全文

posted @ 2017-03-14 21:40 半根毛线阅读(272) 评论(0) 推荐(0)

Codeforces Round #209 (Div. 2)A贪心 B思路 C思路+快速幂

摘要：A. Table time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Simon has a rectangular table co 阅读全文

posted @ 2017-03-13 21:45 半根毛线阅读(690) 评论(0) 推荐(0)

Codeforces Round #384 (Div. 2) A B C D dfs序+求两个不相交区间最大权值和

摘要：A. Vladik and flights time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output A. Vladik and flig 阅读全文

posted @ 2017-03-12 19:50 半根毛线阅读(326) 评论(0) 推荐(0)

简单shell 编程

摘要：简单shell编程 by dreamboy 阅读全文

posted @ 2017-03-12 15:28 半根毛线阅读(273) 评论(0) 推荐(0)

HDU 2852 主席树

摘要：KiKi's K-Number Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3966 Accepted Submission(s): 1758 阅读全文

posted @ 2017-03-11 16:32 半根毛线阅读(242) 评论(0) 推荐(0)

Codeforces Round #393 (Div. 2) (8VC Venture Cup 2017 - Final Round Div. 2 Edition)A 水 B 二分 C并查集

摘要：A. Petr and a calendar time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Petr wants to mak 阅读全文

posted @ 2017-03-07 21:59 半根毛线阅读(283) 评论(0) 推荐(0)

Codeforces Round #403 (Div. 2, based on Technocup 2017 Finals)A模拟 B三分 C dfs D map

摘要：A. Andryusha and Socks time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Andryusha is an o 阅读全文

posted @ 2017-03-06 17:44 半根毛线阅读(354) 评论(0) 推荐(0)

Codeforces Round #394 (Div. 2)A水 B暴力 C暴力 D二分 E dfs

摘要：A. Dasha and Stairs time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output A. Dasha and Stairs 阅读全文

posted @ 2017-03-05 20:54 半根毛线阅读(390) 评论(0) 推荐(0)

HDU 4348 主席树区间更新

摘要：To the moon Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 5117 Accepted Submission(s): 1152 Pro 阅读全文

posted @ 2017-03-05 18:02 半根毛线阅读(492) 评论(0) 推荐(0)

HDU 4417 主席树写法

摘要：Super Mario Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 6208 Accepted Submission(s): 2687 Pro 阅读全文

posted @ 2017-03-04 22:21 半根毛线阅读(282) 评论(0) 推荐(0)

HDU 2655 主席树

摘要：Kth number Time Limit: 15000/5000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 10240 Accepted Submission(s): 3153 Pr 阅读全文

posted @ 2017-03-04 21:56 半根毛线阅读(308) 评论(0) 推荐(0)

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03 2017 档案