judete.cpp: In function 'void dfs(int)': judete.cpp:13: warning: 'auto' will change meaning in C++0x; please remove it judete.cpp:13: error: expected initializer before ':' token judete.cpp:49: error: expected primary-expression at end of input judete.cpp:49: error: expected ';' at end of input judete.cpp:49: error: expected primary-expression at end of input judete.cpp:49: error: expected ')' at end of input judete.cpp:49: error: expected statement at end of input judete.cpp:49: error: expected '}' at end of input