Compilare: main.cpp: In function 'int main()': main.cpp:18:22: warning: comparison of integer expressions of different signedness: 'std::map<int, int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 18 | if(mp.size() >= n/2){ | ~~~~~~~~~~^~~~~~ main.cpp:23:18: warning: comparison of integer expressions of different signedness: 'std::map<int, int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 23 | if(mp.size() >= n/2){ | ~~~~~~~~~~^~~~~~