Compilare: main.cpp: In function 'void hackman(int, int)': main.cpp:34:20: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 34 | while(w.size() >= m) | ~~~~~~~~~^~~~ main.cpp:39:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 39 | for(int i = 0; i < w.size(); ++i) | ~~^~~~~~~~~~