摘要： Mobile phonesTime Limit:5000MSMemory Limit:65536KTotal Submissions:12394Accepted:5710DescriptionSuppose that the fourth generation mobile phone base stations in the Tampere area operate as follows. The area is divided into squares. The squares form an S * S matrix with the rows and columns numbered 阅读全文

摘要： JapanTime Limit:1000MSMemory Limit:65536KTotal Submissions:16884Accepted:4530DescriptionJapan 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 #include #include using name 阅读全文

摘要： StarsTime Limit:1000MSMemory Limit:65536KTotal Submissions:25850Accepted:11292DescriptionAstronomers often examine star maps where stars are represented by points on a plane and each star has Cartesian coordinates. Let the level of a star be an amount of the stars that are not higher and not to the 阅读全文

摘要： CowsTime Limit:3000MSMemory Limit:65536KTotal Submissions:9840Accepted:3220DescriptionFarmer John's cows have discovered that the clover growing along the ridge of the hill (which we can think of as a one-dimensional number line) in his field is particularly good.Farmer John has N cows (we numbe 阅读全文