摘要：
Numbers That Count Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 20396 Accepted: 6817 Description "Kronecker's Knumbers" is a little comp 阅读全文
摘要：
Apple Tree Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 27092 Accepted: 8033 Description There is an apple tree outside of kaka's house. 阅读全文