摘要： ComputerTime Limit: 1000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1232Accepted Submission(s): 597Problem DescriptionA school bought the first computer some time ago(so this computer's id is 1). During the recent years the school bought N-1 new computers. 阅读全文

摘要： Anniversary partyTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 2124Accepted Submission(s): 896Problem DescriptionThere is going to be a party to celebrate the 80-th Anniversary of the Ural State University. The University has a hierarchical struc 阅读全文

摘要： Clairewd’s messageTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1611Accepted Submission(s): 633Problem DescriptionClairewd is a member of FBI. After several years concealing in BUPT, she intercepted some important messages and she was preparing f 阅读全文

摘要： Template Library ManagementTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 298Accepted Submission(s): 87Problem DescriptionAs an experienced ACMer, you must have known the importance of "code template library". With the help of pre-printe 阅读全文

摘要： Throw nailsTime Limit: 5000/2000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 647Accepted Submission(s): 194Problem DescriptionThe annual school bicycle contest started. ZL is a student in this school. He is so boring because he can't ride a bike!! So he decided 阅读全文

摘要： LawrenceTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1248Accepted Submission(s): 557Problem DescriptionT. E. Lawrence was a controversial figure during World War I. He was a British officer who served in the Arabian theater and led a group of Ar 阅读全文

摘要： DivisionTime Limit: 10000/5000 MS (Java/Others)Memory Limit: 999999/400000 K (Java/Others)Total Submission(s): 1672Accepted Submission(s): 630Problem DescriptionLittle D is really interested in the theorem of sets recently. There’s a problem that confused him a long time.Let T be a set of integers. 阅读全文

摘要： MAX Average ProblemTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3521Accepted Submission(s): 896Problem DescriptionConsider a simple sequence which only contains positive integers as a1, a2 ... an, and a number k. Define ave(i,j) as the average v 阅读全文

摘要： Picnic CowsTime Limit: 8000/4000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1088Accepted Submission(s): 329Problem DescriptionIt’s summer vocation now. After tedious milking, cows are tired and wish to take a holiday. So Farmer Carolina considers having a picnic be 阅读全文

摘要： Print ArticleTime Limit: 9000/3000 MS (Java/Others)Memory Limit: 131072/65536 K (Java/Others)Total Submission(s): 2224Accepted Submission(s): 728Problem DescriptionZero has an old printer that doesn't work well sometimes. As it is antique, he still like to use it to print articles. But it is too 阅读全文