摘要：
A -Space ElevatorTime Limit:1000MSMemory Limit:65536KB64bit IO Format:%I64d & %I64uSubmitStatusDescriptionThe cows are going to space! They plan to achieve orbit by building a sort of space elevator: a giant tower of blocks. They have K (1 2 #include 3 #include 4 #include 5 #include 6 #include 7 阅读全文
