Bobo has n×mn times mn×m points arranged into a matrix with n rows and m columns. The points in the intersection of the i-th row and the j-th column is labeled with . He is going to perform q operations of the following 2 kinds. 1. Given parameters a, b, add edges between points and for all a≤i≤ba leq i leq ba≤i≤b and 1≤j
Bobo has n×mn times mn×m points arranged into a matrix with n rows and m columns. The points in the intersection of the i-th row and the j-th column is labeled with (i, j). He is going to perform q operations of the following 2 kinds. 1. Given parameters a, b, add edges between points (i, j) and (i, j + 1) for all a≤i≤ba leq i leq ba≤i≤b and 1≤j
成为编程大师，不再是梦想！全网最全C++题库，助您开启编程新篇章。
（图片来源网络，侵删）
