摘要:
MatrixTime Limit:3000MSMemory Limit:65536KTotal Submissions:17880Accepted:6709DescriptionGiven an N*N matrix A, whose elements are either 0 or 1. A[i,... 阅读全文
摘要:
Mobile phonesTime Limit:5000MSMemory Limit:65536KTotal Submissions:14391Accepted:6685DescriptionSuppose that the fourth generation mobile phone base s... 阅读全文