摘要：
Exams time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Exams time limit per test 1 second 阅读全文
摘要：
Power Strings Time Limit: 3000MS Memory Limit: 65536K Total Submissions: 45224 Accepted: 18873 Description Given two strings a and b we define a*b to 阅读全文