简单数论/数学/数学思想 - 随笔分类 - 半根毛线

HDU 6158 笛卡尔定理+韦达定理

摘要：The Designer Time Limit: 8000/4000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 761 Accepted Submission(s): 142 Prob 阅读全文

posted @ 2017-08-20 22:47 半根毛线阅读(607) 评论(0) 推荐(0)

Codeforces Round #415 (Div. 2) A B C 暴力 sort 规律

摘要：A. Straight «A» time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output A. Straight «A» time limi 阅读全文

posted @ 2017-06-14 17:48 半根毛线阅读(211) 评论(0) 推荐(0)

Educational Codeforces Round 20 C 数学/贪心/构造

摘要：C. Maximal GCD time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output C. Maximal GCD time limit 阅读全文

posted @ 2017-05-02 21:37 半根毛线阅读(184) 评论(0) 推荐(0)

Codeforces Round #410 (Div. 2)A B C D 暴力暴力思路姿势/随机

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

posted @ 2017-04-22 21:09 半根毛线阅读(415) 评论(0) 推荐(0)

算法提高 12-1三角形外心坐标

摘要：问题描述为二维空间中的点设计一个结构体，在此基础上为三角形设计一个结构体。分别设计独立的函数计算三角形的周长、面积、中心和重心。输入三个点，输出这三个点构成的三角形的周长、面积、外心和重心。结果保留小数点后2位数字。样例输出与上面的样例输入对应的输出。例：数据规模和约定输入数据中每一个数阅读全文

posted @ 2017-04-03 12:27 半根毛线阅读(977) 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(365) 评论(0) 推荐(0)

Codeforces Round #397 by Kaspersky Lab and Barcelona Bootcamp (Div. 1 + Div. 2 combined) A B C D 水模拟构造

摘要：A. Neverending competitions time limit per test 2 seconds memory limit per test 512 megabytes input standard input output standard output There are li 阅读全文

posted @ 2017-02-15 21:10 半根毛线阅读(383) 评论(0) 推荐(0)

Codeforces Round #284 (Div. 2)A B C 模拟数学

摘要：A. Watching a movie time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output A. Watching a movie t 阅读全文

posted @ 2016-11-17 21:24 半根毛线阅读(474) 评论(0) 推荐(0)

Codeforces Round #313 (Div. 2) A B C 思路枚举数学

摘要：A. Currency System in Geraldion time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output A. Curre 阅读全文

posted @ 2016-09-28 23:56 半根毛线阅读(261) 评论(0) 推荐(0)

2016 ACM/ICPC Asia Regional Shenyang Online 1003/HDU 5894 数学/组合数/逆元

摘要：hannnnah_j’s Biological Test Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 802 Accepted Submi 阅读全文

posted @ 2016-09-21 21:45 半根毛线阅读(350) 评论(0) 推荐(0)

2016 ACM/ICPC Asia Regional Qingdao Online 1001/HDU5878 打表二分

摘要：I Count Two Three Time Limit: 3000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 782 Accepted Submission(s): 406 阅读全文

posted @ 2016-09-21 20:56 半根毛线阅读(283) 评论(0) 推荐(0)

Codeforces Round #308 (Div. 2) A B C 水数学

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

posted @ 2016-09-13 23:49 半根毛线阅读(242) 评论(0) 推荐(0)

2016 ACM/ICPC Asia Regional Dalian Online 1006 /HDU 5873

摘要：Football Games Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 439 Accepted Submission(s): 157 Pr 阅读全文

posted @ 2016-09-10 23:57 半根毛线阅读(516) 评论(0) 推荐(0)

Codeforces Round #368 (Div. 2)A B C 水图数学

摘要：A. Brain's Photos time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output A. Brain's Photos time 阅读全文

posted @ 2016-09-04 20:53 半根毛线阅读(328) 评论(0) 推荐(0)

Educational Codeforces Round 15 D 数学推公式

摘要：D. Road to Post Office time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output D. Road to Post Of 阅读全文

posted @ 2016-08-08 11:35 半根毛线阅读(252) 评论(0) 推荐(0)

HDU 5752

摘要：Sqrt Bo Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 423 Accepted Submission(s): 188 Problem 阅读全文

posted @ 2016-07-26 23:53 半根毛线阅读(326) 评论(0) 推荐(0)

Codeforces Round #328 (Div. 2) C 数学

摘要：C. The Big Race time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output C. The Big Race time limi 阅读全文

posted @ 2016-07-26 11:00 半根毛线阅读(202) 评论(0) 推荐(0)

Codeforces Round #364 (Div. 2) D 数学/公式

摘要：D. As Fast As Possible time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output D. As Fast As Poss 阅读全文

posted @ 2016-07-23 15:47 半根毛线阅读(562) 评论(0) 推荐(0)

Codeforces Round #304 (Div. 2) D 思维/数学/质因子/打表/前缀和/记忆化

摘要：D. Soldier and Number Game time limit per test 3 seconds memory limit per test 256 megabytes input standard input output standard output D. Soldier an 阅读全文

posted @ 2016-07-22 15:52 半根毛线阅读(268) 评论(0) 推荐(0)

Codeforces Round #323 (Div. 2) C 无敌gcd 数学/贪心

摘要：C. GCD Table time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output The GCD table G of size n × 阅读全文

posted @ 2016-07-18 23:01 半根毛线阅读(364) 评论(0) 推荐(0)

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随笔分类 - 简单数论/数学/数学思想