View Compilation Error

670283_0_0_24099.cpp: In function `void bfs()':
670283_0_0_24099.cpp:31: error: `min' undeclared (first use this function)
670283_0_0_24099.cpp:31: error: (Each undeclared identifier is reported only once for each function it appears in.)
670283_0_0_24099.cpp: In function `int main()':
670283_0_0_24099.cpp:60: error: `min' undeclared (first use this function)