摘要：
B. Anatoly and Cockroaches time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output B. Anatoly and 阅读全文
摘要：
A. Vitya in the Countryside time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output A. Vitya in t 阅读全文