摘要：
Wooden Sticks Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 21899 Accepted: 9350 Description There is a pile of n wooden sticks. The leng 阅读全文
摘要：
Bob will get a bag as gift from Alice, but Alice don't wanna Bob get the bag without did anything, so she put the bag into a safe box... Alice will gi 阅读全文