View Compilation Error

0_0_7563385_16876.cpp: In function `int bfs(point)':
0_0_7563385_16876.cpp:37: error: `min' undeclared (first use this function)
0_0_7563385_16876.cpp:37: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_7563385_16876.cpp: In function `int main()':
0_0_7563385_16876.cpp:59: error: `min' undeclared (first use this function)