dfs.cpp: In function 'void dfs(int)': dfs.cpp:25: warning: 'auto' will change meaning in C++0x; please remove it dfs.cpp:25: error: expected initializer before ':' token dfs.cpp:76: error: expected primary-expression at end of input dfs.cpp:76: error: expected ';' at end of input dfs.cpp:76: error: expected primary-expression at end of input dfs.cpp:76: error: expected ')' at end of input dfs.cpp:76: error: expected statement at end of input dfs.cpp:76: error: expected '}' at end of input