摘要： Cow MultiplicationTime Limit:1000MSMemory Limit:65536KTotal Submissions:9717Accepted:6574DescriptionBessie is tired of multiplying pairs of numbers the usual way, so she invented her own style of multiplication. In her style,A*Bis equal to the sum of all possible pairwise products between the digits 阅读全文

摘要： Milking TimeTime Limit:1000MSMemory Limit:65536KTotal Submissions:3055Accepted:1281DescriptionBessie is such a hard-working cow. In fact, she is so focused on maximizing her productivity that she decides to schedule her nextN(1 ≤N≤ 1,000,000) hours (conveniently labeled 0..N-1) so that she produces 阅读全文