View Compilation Error

251618_0_7809.cpp: In function `void DFS(int, int, int)':
251618_0_7809.cpp:16: error: `min' undeclared (first use this function)
251618_0_7809.cpp:16: error: (Each undeclared identifier is reported only once for each function it appears in.)
251618_0_7809.cpp: In function `int main()':
251618_0_7809.cpp:46: error: `min' undeclared (first use this function)