摘要：
E -Domino PrincipleTime Limit:2000MSMemory Limit:262144KB64bit IO Format:%I64d & %I64uSubmitStatusPracticeCodeForces 56EDescriptionVasya is interested in arranging dominoes. He is fed up with common dominoes and he uses the dominoes of different heights. He putndominoes on the table along one ax 阅读全文
