Compilare: main.cpp: In function 'int main()': main.cpp:29:23: warning: comparison of integer expressions of different signedness: 'std::size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 29 | if (x.count() == (1 << N) && (!sol.any() || x.count() < sol.count() || (x.count() == sol.count() && x.to_string() < sol.to_string()))) | ~~~~~~~~~~^~~~~~~~~~~