摘要：
B. Fedya and Mathstime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputFedya studies in a gymnasium. F... 阅读全文
摘要：
A. Laptopstime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputOne day Dima and Alex had an argument a... 阅读全文