摘要:
There is a company that has N employees(numbered from 1 to N),every employee in the company has a immediate boss (except for the leader of whole compa 阅读全文
摘要:
D. Valid BFS? time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output D. Valid BFS? time limit p 阅读全文
摘要:
F. Consecutive Subsequencetime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputYou are given an integ 阅读全文