Compilare: main.cpp: In function 'void Solve_Euler(std::vector<std::pair<int, int> >*, int, int, std::vector<int>, std::stack<int>)': main.cpp:619:9: warning: unused variable 'j' [-Wunused-variable] 619 | int i, j; | ^ main.cpp: In member function 'void Graph::Eulerian()': main.cpp:657:6: warning: unused variable 'i' [-Wunused-variable] 657 | int i, j, x, y; | ^ main.cpp:657:9: warning: unused variable 'j' [-Wunused-variable] 657 | int i, j, x, y; | ^ main.cpp:657:12: warning: unused variable 'x' [-Wunused-variable] 657 | int i, j, x, y; | ^ main.cpp:657:15: warning: unused variable 'y' [-Wunused-variable] 657 | int i, j, x, y; | ^