View Compilation Error

0_0_6530288_9524.cpp: In function `void dfs(int, int)':
0_0_6530288_9524.cpp:46: error: argument of type `size_t (std::map<int, int, std::less<int>, std::allocator<std::pair<const int, int> > >::)() const' does not match `int'
0_0_6530288_9524.cpp:57: error: `use' undeclared (first use this function)
0_0_6530288_9524.cpp:57: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_6530288_9524.cpp:65: error: expected `)' before '!' token