Compilare: main.cpp: In function 'int cnt(int, int)': main.cpp:19:21: warning: comparison of integer expressions of different signedness: 'std::unordered_map<int, int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 19 | if(M.size() <= P){ | ~~~~~~~~~^~~~ main.cpp:23:28: warning: comparison of integer expressions of different signedness: 'std::unordered_map<int, int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 23 | while(M.size() > P){ | ~~~~~~~~~^~~