摘要： D. Robin Hood time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output We all know the impressive 阅读全文

摘要： C. Recycling Bottles time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output It was recycling da 阅读全文

摘要： D. Bear and Two Paths time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Bearland has n cit 阅读全文