View Compilation Error

0_0_26044027_9959.cpp: In member function 'int EK::maxflow(int, int)':
0_0_26044027_9959.cpp:116:21: error: request for member 'clear' in '((EK*)this)->EK::p[e.Edge::to]', which is of non-class type 'int'
             p[e.to].clear();
                     ^