View Compilation Error

0_0_6634199_1860.cpp: In function `void dfs(int, int)':
0_0_6634199_1860.cpp:28: error: `min' undeclared (first use this function)
0_0_6634199_1860.cpp:28: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_6634199_1860.cpp: In function `int main()':
0_0_6634199_1860.cpp:58: error: `min' undeclared (first use this function)