Compilare: main.cpp: In member function 'void Graf::ciclu_eulerian()': main.cpp:70:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 70 | for(i = 0; i < lista_adiacenta[x].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:83:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 83 | for(int i = 0; i < euler.size() - 1; i++) | ~~^~~~~~~~~~~~~~~~~~ main.cpp:27:9: warning: variable 'v1' set but not used [-Wunused-but-set-variable] 27 | int v1[numar_muchii], v2[numar_muchii]; | ^~ main.cpp:27:27: warning: variable 'v2' set but not used [-Wunused-but-set-variable] 27 | int v1[numar_muchii], v2[numar_muchii]; | ^~ main.cpp:28:9: warning: unused variable 'vizitat' [-Wunused-variable] 28 | int vizitat[numar_muchii] = {}; | ^~~~~~~