View Compilation Error

0_0_9115139_10221.cpp:10: error: size of array `visit' is too large
0_0_9115139_10221.cpp: In function `int bfs(int, int)':
0_0_9115139_10221.cpp:19: error: `visit' undeclared (first use this function)
0_0_9115139_10221.cpp:19: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_9115139_10221.cpp: In function `int main()':
0_0_9115139_10221.cpp:48: error: `visit' undeclared (first use this function)