View Compilation Error

64971_0_15920.cpp: In function `void bfs(int, int, int)':
64971_0_15920.cpp:18: error: `min' undeclared (first use this function)
64971_0_15920.cpp:18: error: (Each undeclared identifier is reported only once for each function it appears in.)
64971_0_15920.cpp: In function `int main()':
64971_0_15920.cpp:70: error: `min' undeclared (first use this function)