Compilare: main.cpp: In function 'void ciclu_eulerian(int)': main.cpp:11:9: warning: unused variable 'k' [-Wunused-variable] 11 | int k = 0; | ^ main.cpp: In function 'int main()': main.cpp:42:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 42 | for(i = 0; i + 1 < cycle.size(); i++){ | ~~~~~~^~~~~~~~~~~~~~ main.cpp:28:13: warning: unused variable 'j' [-Wunused-variable] 28 | int i,m,j,u,v,k = 0; | ^