Compilare: main.cpp: In function 'void euler()': main.cpp:46:36: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 46 | if (cycle.empty() || cycle.size() != n) | ~~~~~~~~~~~~~^~~~ main.cpp:56:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 56 | for (int i = 1; i < cycle.size(); ++i) | ~~^~~~~~~~~~~~~~