fractii2.cpp: In function 'void build_graph()': fractii2.cpp:21: warning: 'auto' will change meaning in C++0x; please remove it fractii2.cpp:21: error: expected initializer before ':' token fractii2.cpp:87: error: expected primary-expression at end of input fractii2.cpp:87: error: expected ';' at end of input fractii2.cpp:87: error: expected primary-expression at end of input fractii2.cpp:87: error: expected ')' at end of input fractii2.cpp:87: error: expected statement at end of input fractii2.cpp:87: error: expected '}' at end of input