View Compilation Error

0_0_7886414_31826.cpp: In function `int find_longpath(int, int)':
0_0_7886414_31826.cpp:60: error: `dist' undeclared (first use this function)
0_0_7886414_31826.cpp:60: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_7886414_31826.cpp:69: error: `check' undeclared (first use this function)
0_0_7886414_31826.cpp: In function `int max_dist()':
0_0_7886414_31826.cpp:81: error: `dist' undeclared (first use this function)
0_0_7886414_31826.cpp:82: error: `check' undeclared (first use this function)