Compilare: main.cpp: In function 'int main()': main.cpp:83:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 83 | for( i = 0; i < cycle.size(); i ++ ) { | ~~^~~~~~~~~~~~~~ main.cpp:60:24: warning: unused variable 'nod' [-Wunused-variable] 60 | int n, m, i, u, v, nod, last; | ^~~ main.cpp:60:29: warning: unused variable 'last' [-Wunused-variable] 60 | int n, m, i, u, v, nod, last; | ^~~~