摘要：Time Limit: 2000MSMemory Limit: 65536KTotal Submissions: 12078Accepted: 5098DescriptionA numeric sequence of ai is ordered if a1 < a2 < ... < aN. Let the subsequence of the given numeric sequ... 阅读全文

摘要：Time Limit: 1000MSMemory Limit: 10000KTotal Submissions: 2595Accepted: 1198DescriptionIn Pearlania everybody is fond of pearls. One company, called The Royal Pearl, produces a lot of jewelry with pear... 阅读全文

摘要：Time Limit: 1000MSMemory Limit: 30000KTotal Submissions: 3283Accepted: 963DescriptionIn the army, a platoon is composed by n soldiers. During the morning inspection, the soldiers are aligned in a stra... 阅读全文

摘要：Time Limit: 2000MSMemory Limit: 65536KTotal Submissions: 2856Accepted: 1252DescriptionFew know that the cows have their own dictionary with W (1 ≤ W ≤ 600) words, each containing no more 2... 阅读全文

摘要：Time Limit: 1000MSMemory Limit: 10000KTotal Submissions: 9109Accepted: 3052DescriptionA Bank plans to install a machine for cash withdrawal. The machine is able to deliver appropriate @ bills for a re... 阅读全文

摘要：Time Limit: 1000MSMemory Limit: 30000KTotal Submissions: 2538Accepted: 1384DescriptionGigel has a strange "balance" and he wants to poise it. Actually, the device is different from any other ordinary ... 阅读全文

摘要：Time Limit: 2000MSMemory Limit: 65536KTotal Submissions: 1015Accepted: 391DescriptionOrganizing a programming contest is not an easy job. To avoid making the problems too difficult, the organizer usua... 阅读全文