摘要：B. Bash's Big Day time limit per test：2 seconds memory limit per test：512 megabytes input：standard input output： standard output B. Bash's Big Day tim 阅读全文

摘要：A. Co-prime Array time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output A. Co-prime Array time 阅读全文