Compilare: main.cpp: In function 'int main()': main.cpp:138:39: warning: comparison of integer expressions of different signedness: 'long long unsigned int' and 'int' [-Wsign-compare] 138 | for (unsigned long long int i=1; i<=n; i++) { | ~^~~ main.cpp:142:29: warning: comparison of integer expressions of different signedness: 'std::unordered_map<unsigned int, unsigned int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 142 | if (mp_u.size() > u) { | ~~~~~~~~~~~~^~~ main.cpp:143:40: warning: comparison of integer expressions of different signedness: 'std::unordered_map<unsigned int, unsigned int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 143 | while (mp_u.size() > u) { | ~~~~~~~~~~~~^~~ main.cpp:154:29: warning: comparison of integer expressions of different signedness: 'std::unordered_map<unsigned int, unsigned int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 154 | if (mp_l.size() >= l) { | ~~~~~~~~~~~~^~~~ main.cpp:155:40: warning: comparison of integer expressions of different signedness: 'std::unordered_map<unsigned int, unsigned int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 155 | while (mp_l.size() >= l) { | ~~~~~~~~~~~~^~~~