摘要：
Calculate A * B. Input Each line will contain two integers A and B. Process to end of file.Note: the length of each integer will not exceed 50000. Out 阅读全文
摘要：
Longest Common Substring II Time Limit: 2000ms Memory Limit: 262144KB A string is finite sequence of characters over a non-empty finite set Σ. In this 阅读全文