View Compilation Error

0_0_20914904_27432.cpp: In function 'void DFS2(int, int)':
0_0_20914904_27432.cpp:39:28: error: 'mx_' was not declared in this scope
   mx_fa[e->t] = e->w + max(mx_
                            ^
0_0_20914904_27432.cpp:39:28: error: expected '}' at end of input
0_0_20914904_27432.cpp:39:28: error: expected '}' at end of input