View Compilation Error

0_0_5312455_703.cpp:12: error: `max' was not declared in this scope
0_0_5312455_703.cpp:12: error: `max' was not declared in this scope
0_0_5312455_703.cpp:13: error: `max' was not declared in this scope
0_0_5312455_703.cpp:13: error: `max' was not declared in this scope
0_0_5312455_703.cpp: In function `int BFS(Point)':
0_0_5312455_703.cpp:23: error: `map' undeclared (first use this function)
0_0_5312455_703.cpp:23: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_5312455_703.cpp: In function `int main()':
0_0_5312455_703.cpp:63: error: `map' undeclared (first use this function)