摘要：
D. Vasya And The Matrix time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Now Vasya is tak 阅读全文
摘要：
B. Segment Occurrences time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output B. Segment Occurr 阅读全文