Compilare: main.cpp: In function 'void Inmultire(std::vector<long long int>&, long long int)': main.cpp:40:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 40 | for (int i=0;i<a.size();++i){ | ~^~~~~~~~~ main.cpp: In function 'void Adunare(std::vector<long long int>&, std::vector<long long int>)': main.cpp:60:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 60 | for (int i=0;i<a.size();++i){ | ~^~~~~~~~~ main.cpp: In function 'void Scadere(std::vector<long long int>&, std::vector<long long int>)': main.cpp:74:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 74 | for (int i=0;i<a.size();++i){ | ~^~~~~~~~~