Compilare: main.cpp: In function 'int CheckEulerian(std::vector<std::pair<int, int> >*, int)': main.cpp:42:9: warning: unused variable 'ct' [-Wunused-variable] 42 | int i, ct = 0; | ^~ main.cpp: In function 'void Solve_Euler(std::vector<std::pair<int, int> >*, int, int, std::vector<int>, std::stack<int>)': main.cpp:55:9: warning: unused variable 'j' [-Wunused-variable] 55 | int i, j; | ^ main.cpp: In function 'void Eulerian()': main.cpp:93:6: warning: unused variable 'i' [-Wunused-variable] 93 | int i, j, x, y; | ^ main.cpp:93:9: warning: unused variable 'j' [-Wunused-variable] 93 | int i, j, x, y; | ^ main.cpp:93:12: warning: unused variable 'x' [-Wunused-variable] 93 | int i, j, x, y; | ^ main.cpp:93:15: warning: unused variable 'y' [-Wunused-variable] 93 | int i, j, x, y; | ^