Eroare de compilare: main.cpp: In member function 'std::vector<std::tuple<int, int, int> > GraphWithCosts::get_list_of_edges() const': main.cpp:939:18: error: found ':' in nested-name-specifier, expected '::' 939 | for(elem : l[i]) | ^ | :: main.cpp:939:13: error: 'elem' has not been declared 939 | for(elem : l[i]) | ^~~~ main.cpp:948:5: error: expected primary-expression before 'return' 948 | return edges; | ^~~~~~ main.cpp:946:6: error: expected ';' before 'return' 946 | } | ^ | ; 947 | 948 | return edges; | ~~~~~~ main.cpp:948:5: error: expected primary-expression before 'return' 948 | return edges; | ^~~~~~ main.cpp:946:6: error: expected ')' before 'return' 946 | } | ^ | ) 947 | 948 | return edges; | ~~~~~~ main.cpp:939:12: note: to match this '(' 939 | for(elem : l[i]) | ^ main.cpp:950:1: warning: control reaches end of non-void function [-Wreturn-type] 950 | } | ^ Non zero exit status: 1