摘要：
F -FTime Limit:1000MSMemory Limit:10000KB64bit IO Format:%I64d & %I64uDescriptionA subsequence of a given sequence is the given sequence with some ele... 阅读全文
摘要：
C -CTime Limit:500MSMemory Limit:32768KB64bit IO Format:%lld & %lluDescriptionThe people ofMohammadpurhave decided to paint each of their houses red, ... 阅读全文