Compilare: main.cpp: In function 'int main()': main.cpp:51:39: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 51 | for (int i = 0; i < spd.size(); i++) { | ~~^~~~~~~~~~~~ main.cpp:65:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 65 | for (int i = 1; i < sps.size(); i++) { | ~~^~~~~~~~~~~~ main.cpp:87:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 87 | for (int i = 1; i < mx.size(); i++) { | ~~^~~~~~~~~~~