Compilare: main.cpp: In function 'void bkt(int, int)': main.cpp:24:28: warning: comparison of integer expressions of different signedness: 'std::size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 24 | if (k == 18 && ok.count() != m) { | ~~~~~~~~~~~^~~~ main.cpp:27:22: warning: comparison of integer expressions of different signedness: 'std::size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 27 | else if (ok.count() == m) { | ~~~~~~~~~~~^~~~