摘要：
Apple Tree Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 28060 Accepted: 8343 Description There is an apple tree outside of kaka's house. 阅读全文
摘要：
C. Propagating tree time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Iahub likes trees ve 阅读全文