集爱

A. yuna学数论Time Limit : 3000/1000ms (Java/Other)Memory Limit : 65535/32768K (Java/Other)Total Submission(s) : 24Accepted Submission(s) : 13Font:Times New Roman|Verdana|GeorgiaFont Size:←→Problem Description在学习完各类算法之后，yuna决定开始学习数论了。yuna神当然从最简单的最小公倍数学起喽~~~~~定义 为1，2，…，n的最小公倍数，例如，B1= 1，B2= 2，B3= 6，B4= 12 Read More

G. SwimmingProblem DescriptionIn the 2012 London Olympics, Sun Yang, the young Chinese swimmer, wins 2 golden medals and breaks the world record of men's 1500m freestyle. As a Chinese, we are proud of him, and as a ACMer, we can do some simple research on the results show system of the swimming. Read More

B. Merlininice’s HometaskFont: Times New Roman | Verdana | GeorgiaFont Size: ← →Problem DescriptionMerlininice dosen’t love math lessons, so he always ditches math class. But as the final exam is coming, now Merlininice is really regret his actions and wants to get a good mark for math. For that Ms. Read More

CardTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 10Accepted Submission(s): 9Problem DescriptionBearchild is playing a card game with himself. But first of all, he needs to shuffle the cards. His strategy is very simple: After putting all the car Read More

Gold minerTime Limit: 4000/2000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 0Accepted Submission(s): 0Problem DescriptionHomelesser likes playing Gold miners in class. He has to pay much attention to the teacher to avoid being noticed. So he always lose the game. Af Read More

K. ServiceTime Limit:1000MSDescriptionThere is a large and beautiful polygon pond in HY city. Lina wants to offer a service which can tell people how to travel around the pond easier. She entrusts you to finish this job. People can walk on the edge of the polygon pond.She will tell you the coordinat Read More

H. DistributionTime Limit:1500MSDescriptionOne day, Obama dreamed that he and Clinton went together to steal jewellery, got n pieces of the jewellerys. How to divide stolen jewellerys became a problem，because the estimated value of each pieces of the jewellery are not the same to them.If the total v Read More

F. TravelingTime Limit:3000MSDescriptionAlice is a Beautiful horse，earning the title 'Miss Horse World'. As a result, Bessie will make a tour of N (2 <= N <= 50,000) grassland around the world in order to spread goodwill to the other horses. For simplicity, the world will be represente Read More

E. 住房安排Time Limit:3000MSDescription第三十届夏季奥林匹克运动会于2012年7月27日至8月12日在英国首都伦敦举行，历时19天。为了更好地接待在这期间来自世界各地的参赛者，如何合理安排各宾馆的住房问题提到了日程。组委会已接到了大量的客户住宿定单，每张定单的内容包括要住宿的房间数，开始住宿时间和要住的天数。为了便于整个城市各宾馆的管理，组委会希望对这些定单进行安排，目的是用尽可能少的房间来满足这些定单，以便空出更多的房间用于安排流动游客。组委会请求Jenny来完成这个任务，对这些定单进行合理安排，使得满足这些定单要求的房间数最少。假设某个定单上的游客一旦被安排到 Read More

JapanTime Limit:1000MSMemory Limit:65536KTotal Submissions:14697Accepted:3945DescriptionJapan plans to welcome the ACM ICPC World Finals and a lot of roads must be built for the venue. Japan is tall island with N cities on the East coast and M cities on the West coast (M <= 1000, N <= 1000). K Read More