随笔分类 -  贪心

摘要:http://acm.hdu.edu.cn/showproblem.php?pid=5037贪心,一个月没做题了,这道题卡了半天0 0~只要考虑清楚走两个时,为了保证最优,使得距离要是L+1,如果小于这个值,会导致能直接走到这里,就不是最优了题目要求最差情况下青蛙走的最佳情况,所以每次开始都使他只走... 阅读全文
posted @ 2015-11-10 19:48 Painting、时光 阅读(235) 评论(0) 推荐(0)
摘要:http://acm.hdu.edu.cn/showproblem.php?pid=4334二分T。。/************************************************* Author :Powatr* Created Time :2015-8-25 ... 阅读全文
posted @ 2015-08-25 17:54 Painting、时光 阅读(145) 评论(0) 推荐(0)
摘要:http://acm.fzu.edu.cn/problem.php?pid=2141/*大意:把一张图分成一个二分图,使得任意相邻的顶点不在同一个集合里面,*//************************************************* Author :Powa... 阅读全文
posted @ 2015-08-24 15:06 Painting、时光 阅读(171) 评论(0) 推荐(0)
摘要:http://acm.hdu.edu.cn/showproblem.php?pid=5399/*先特判有重复数的情况,如果有就输出-1如果全是数字那么就判是否符合条件剩下的就是m!的(cout-1)次*//***********************************************... 阅读全文
posted @ 2015-08-18 20:36 Painting、时光 阅读(168) 评论(0) 推荐(0)
摘要:http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemCode=3829/*题意:要求变成合法的串需要操作多少次有两个操作1.添加 2.交换先扫一遍得到肯定要添的数字从前往后,如果发现有数字n++,如果n#include #include... 阅读全文
posted @ 2015-08-18 10:35 Painting、时光 阅读(157) 评论(0) 推荐(0)
摘要:http://codeforces.com/problemset/problem/446/A/*贪心,开前缀后缀,枚举,每个i*//************************************************* Author :Powatr* Created Tim... 阅读全文
posted @ 2015-08-16 20:27 Painting、时光 阅读(161) 评论(0) 推荐(0)
摘要:Problem DescriptionIn ann∗mmaze, the right-bottom corner is the exit (position(n,m)is the exit). In every position of this maze, there is either a0or ... 阅读全文
posted @ 2015-08-01 15:08 Painting、时光 阅读(125) 评论(0) 推荐(0)
摘要:A colored stripe is represented by a horizontal row ofnsquare cells, each cell is pained one ofkcolors. Your task is to repaint the minimum number of ... 阅读全文
posted @ 2015-07-20 21:16 Painting、时光 阅读(293) 评论(0) 推荐(0)
摘要:DZY has a sequencea, consisting ofnintegers.We'll call a sequenceai, ai + 1, ..., aj(1 ≤ i ≤ j ≤ n)a subsegment of the sequencea. The value(j - i + 1)... 阅读全文
posted @ 2015-07-17 18:01 Painting、时光 阅读(176) 评论(0) 推荐(0)
摘要:DescriptionA tourist hiked along the mountain range. The hike lasted forndays, during each day the tourist noted height above the sea level. On thei-t... 阅读全文
posted @ 2015-07-16 20:27 Painting、时光 阅读(198) 评论(0) 推荐(0)
摘要:There arenpiles of pebbles on the table, thei-th pile containsaipebbles. Your task is to paint each pebble using one of thekgiven colors so that for e... 阅读全文
posted @ 2015-07-16 20:21 Painting、时光 阅读(182) 评论(0) 推荐(0)
摘要:You have a positive integermand a non-negative integers. Your task is to find the smallest and the largest of the numbers that have lengthmand sum of ... 阅读全文
posted @ 2015-07-16 20:13 Painting、时光 阅读(168) 评论(0) 推荐(0)
摘要:Problem DescriptionPog and Szh are playing games.There is a sequence with $n$ numbers, Pog will choose a number A from the sequence. Szh will choose a... 阅读全文
posted @ 2015-06-08 19:41 Painting、时光 阅读(358) 评论(0) 推荐(0)
摘要:Problem DescriptionAs this term is going to end, DRD needs to prepare for his final exams.DRD hasnexams. They are all hard, but their difficulties are... 阅读全文
posted @ 2015-05-27 00:14 Painting、时光 阅读(380) 评论(0) 推荐(0)
摘要:Little girl Susie went shopping with her mom and she wondered how to improve service quality.There arenpeople in the queue. For each person we know ti... 阅读全文
posted @ 2015-05-20 15:36 Painting、时光 阅读(314) 评论(0) 推荐(0)
摘要:Little Susie listens to fairy tales before bed every day. Today's fairy tale was about wood cutters and the little girl immediately started imagining ... 阅读全文
posted @ 2015-05-20 15:33 Painting、时光 阅读(280) 评论(0) 推荐(0)
摘要:Problem DescriptionTom and Jerry are playing a game with tubes and pearls. The rule of the game is:1) Tom and Jerry come up together with a number K.2... 阅读全文
posted @ 2015-05-19 16:53 Painting、时光 阅读(189) 评论(0) 推荐(0)
摘要:DescriptionGiven set of line segments [Li, Ri] with integer coordinates of their end points. Your task is to find the minimal subset of the given set ... 阅读全文
posted @ 2015-05-11 16:56 Painting、时光 阅读(197) 评论(0) 推荐(0)
摘要:DescriptionFunctioning of a scientific conference is usually divided into several simultaneous sections. For example, there may be a section on parall... 阅读全文
posted @ 2015-05-06 22:06 Painting、时光 阅读(260) 评论(0) 推荐(0)
摘要:DescriptionAccounting for Computer Machinists (ACM) has sufferred from the Y2K bug and lost some vital data for preparing annual report for MS Inc.All... 阅读全文
posted @ 2015-03-04 13:59 Painting、时光 阅读(182) 评论(0) 推荐(0)