YuriFLAG

摘要： Description Given a n,m which means the row and column of the 2D matrix and an array of pair A( size k). Originally, the 2D matrix is all 0 which mean 阅读全文

摘要： Description Given a list accounts, each element accounts[i] is a list of strings, where the first element accounts[i][0] is a name, and the rest of th 阅读全文