随笔分类 -  数学

hdu 2662 Coin
摘要：Coin Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1020 Accepted Submission(s): 507 Problem Des 阅读全文
posted @ 2016-08-10 15:56 lucky_少哖 阅读(284) 评论(0) 推荐(0)
hdu 5793 A Boring Question（2016第六场多校）
摘要：A Boring Question Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 487 Accepted Submission(s): 271 阅读全文
posted @ 2016-08-05 15:44 lucky_少哖 阅读(218) 评论(0) 推荐(0)
hdu 5734 Acperience（2016多校第二场）
摘要：Acperience Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 484 Accepted Submission(s): 258 Acperi 阅读全文
posted @ 2016-07-22 11:17 lucky_少哖 阅读(199) 评论(0) 推荐(0)
hdu 1030 Delta-wave
摘要：Delta-wave Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 7539 Accepted Submission(s): 2914 Prob 阅读全文
posted @ 2016-04-04 11:27 lucky_少哖 阅读(138) 评论(0) 推荐(0)
hdu 2067 小兔的棋盘
摘要：小兔的棋盘 Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 8690 Accepted Submission(s): 4548 Problem D 阅读全文
posted @ 2016-03-27 10:43 lucky_少哖 阅读(1165) 评论(0) 推荐(0)
hdu 2065 "红色病毒"问题
摘要："红色病毒"问题 Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 5562 Accepted Submission(s): 2323 Proble 阅读全文
posted @ 2016-03-26 11:21 lucky_少哖 阅读(594) 评论(0) 推荐(0)
hdu 1568 Fibonacci
摘要：Fibonacci Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 4267 Accepted Submission(s): 1974 Probl 阅读全文
posted @ 2016-01-27 16:31 lucky_少哖 阅读(169) 评论(0) 推荐(0)
hdu 1060 Leftmost Digit
摘要：Leftmost DigitTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 15032Accepted Submission(s): 5813Pro... 阅读全文
posted @ 2015-09-16 20:41 lucky_少哖 阅读(125) 评论(0) 推荐(0)
hdu 1019 Least Common Multiple
摘要：Least Common MultipleTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 38998Accepted Submission(s): ... 阅读全文
posted @ 2015-09-10 13:55 lucky_少哖 阅读(162) 评论(0) 推荐(0)
hdu 1018 Big Number
摘要：Big NumberTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 31296Accepted Submission(s): 14539Proble... 阅读全文
posted @ 2015-09-10 13:46 lucky_少哖 阅读(122) 评论(0) 推荐(0)
hdu 1013 Digital Roots
摘要：Digital RootsTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 59547Accepted Submission(s): 18621Pro... 阅读全文
posted @ 2015-08-27 14:01 lucky_少哖 阅读(126) 评论(0) 推荐(0)
hdu 1008 Elevator
摘要：ElevatorTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 52791Accepted Submission(s): 29174Problem ... 阅读全文
posted @ 2015-08-26 14:00 lucky_少哖 阅读(239) 评论(0) 推荐(0)
分割问题（转）
摘要：(1) n条直线最多分平面问题 题目大致如:n条直线，最多可以把平面分为多少个区域。 析:可能你以前就见过这题目，这充其量是一道初中的思考题。但一个类型的题目还是从简单的入手，才容易发现规律。当有n-1条直线时，平面最多被分成了f（n-1）个区域。则第n条直线要是切成的区域数最多，就必须... 阅读全文
posted @ 2015-08-25 15:04 lucky_少哖 阅读(137) 评论(0) 推荐(0)
一些数学公式
摘要：有排成一行的ｎ个方格，用红、粉、绿三色涂每个格子，每格涂一色，要求任何相邻的方格不能同色，且首尾两格也不同色．求全部的满足要求的涂法.f(n)=f(n-1)+2*f(n-2);错排思想：当n个编号元素放在n个编号位置,元素编号与位置编号各不对应的方法数用M(n)表示,那么M(n-1)就表示n-1个编... 阅读全文
posted @ 2015-08-25 15:01 lucky_少哖 阅读(187) 评论(0) 推荐(0)