urgenta.cpp:7: error: expected nested-name-specifier before 'Edge' urgenta.cpp:7: error: 'Edge' has not been declared urgenta.cpp:7: error: expected ';' before '=' token urgenta.cpp:7: error: expected unqualified-id before '=' token urgenta.cpp:8: error: 'Edge' was not declared in this scope urgenta.cpp:8: error: template argument 1 is invalid urgenta.cpp:8: error: template argument 2 is invalid urgenta.cpp:8: error: invalid type in declaration before ';' token urgenta.cpp: In function 'int main()': urgenta.cpp:28: error: request for member 'emplace_back' in 'v', which is of non-class type 'int' urgenta.cpp:31: error: request for member 'begin' in 'v', which is of non-class type 'int' urgenta.cpp:31: error: request for member 'end' in 'v', which is of non-class type 'int' urgenta.cpp:32: error: 'Edge' was not declared in this scope urgenta.cpp:32: error: 'E' was not declared in this scope urgenta.cpp:32: error: expected ';' before ':' token urgenta.cpp:52: error: expected primary-expression at end of input urgenta.cpp:52: error: expected ';' at end of input urgenta.cpp:52: error: expected primary-expression at end of input urgenta.cpp:52: error: expected ')' at end of input urgenta.cpp:52: error: expected statement at end of input urgenta.cpp:52: error: expected '}' at end of input