摘要:
Closest Common AncestorsTime Limit:2000MSMemory Limit:10000KTotal Submissions:14314Accepted:4607DescriptionWrite a program that takes as input a roote... 阅读全文
摘要:
Nearest Common AncestorsTime Limit:1000MSMemory Limit:10000KTotal Submissions:16530Accepted:8839DescriptionA rooted tree is a well-known data structur... 阅读全文