摘要：
题目链接： C. Amr and Chemistry time limit per test 1 second 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： B. Amr and The Large Array time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output time lim 阅读全文
摘要：
题目链接： A. Lala Land and Apple Trees time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output time l 阅读全文