hawaii.cpp: In function 'void dfs(int)': hawaii.cpp:14: warning: 'auto' will change meaning in C++0x; please remove it hawaii.cpp:14: error: expected initializer before ':' token hawaii.cpp:158: error: expected primary-expression at end of input hawaii.cpp:158: error: expected ';' at end of input hawaii.cpp:158: error: expected primary-expression at end of input hawaii.cpp:158: error: expected ')' at end of input hawaii.cpp:158: error: expected statement at end of input hawaii.cpp:158: error: expected '}' at end of input