摘要：
题目链接： A. Borya and Hanabi time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output time limit per 阅读全文
摘要：
题目链接： C. Artem and Array time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output time limit per 阅读全文