随笔分类 -  数学--基础

摘要:Break the ChocolateTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 4556Accepted Submission(s): 145... 阅读全文
posted @ 2015-08-26 00:21 BYYB_0506 阅读(286) 评论(0) 推荐(0)
摘要:1 # include 2 # include 3 # include 4 # include 5 6 using namespace std; 7 8 # define MAX 123 9 10 int prime[MAX];11 int ex[MAX];12 int cnt;13 14 1... 阅读全文
posted @ 2015-05-16 20:44 BYYB_0506 阅读(268) 评论(0) 推荐(0)
摘要:MD,这场月赛知道的时候,只剩下不到一半的时间了,于是在比赛结束前,立马拿下3道签到题,还不算太渣。C - A+BTime Limit:5000ms Memory Limit:65536KBSubmitDescription有一个n个数的序列,每个数都是不同的,从这个序列中选出四个数问有多少个四元... 阅读全文
posted @ 2015-04-28 00:25 BYYB_0506 阅读(173) 评论(0) 推荐(0)
摘要:1109 - False OrderingPDF (English)StatisticsForumTime Limit:1 second(s)Memory Limit:32 MBWe definebis a Divisor of a numberaifais divisible byb. So, t... 阅读全文
posted @ 2015-04-27 13:23 BYYB_0506 阅读(374) 评论(0) 推荐(0)
摘要:294 DivisorsMathematicians love all sorts of odd properties of numbers. For instance, they consider 945 to be aninteresting number, since it is the r... 阅读全文
posted @ 2015-04-23 21:15 BYYB_0506 阅读(315) 评论(0) 推荐(0)
摘要:Sum of Consecutive Prime NumbersTime Limit:1000MSMemory Limit:65536KTotal Submissions:20560Accepted:11243DescriptionSome positive integers can be repr... 阅读全文
posted @ 2015-04-22 23:14 BYYB_0506 阅读(145) 评论(0) 推荐(0)
摘要:Sum of Different PrimesTime Limit:5000MSMemory Limit:65536KTotal Submissions:3280Accepted:2040DescriptionA positive integer may be expressed as a sum ... 阅读全文
posted @ 2015-04-22 00:59 BYYB_0506 阅读(216) 评论(0) 推荐(0)