摘要：View Angle View Angle Description Flatland has recently introduced a new type of an eye check for the driver's licence. The check goes like that: ther 阅读全文

摘要：Misha and Forest Time Limit:1000MS Memory Limit:262144KB 64bit IO Format:%I64d & %I64u Misha and Forest Description Let's define a forest as a non-dir 阅读全文

摘要：Misha and Changing Handles Time Limit:1000MS Memory Limit:262144KB 64bit IO Format:%I64d & %I64u Description Misha hacked the Codeforces site. Then he 阅读全文