Compilare: main.cpp: In function 'int main()': main.cpp:24:24: warning: comparison of integer expressions of different signedness: 'std::map<int, int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare] 24 | while(m1.size()>u) | ~~~~~~~~~^~ main.cpp:31:24: warning: comparison of integer expressions of different signedness: 'std::map<int, int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare] 31 | while(m2.size()>=l) | ~~~~~~~~~^~~