Compilare: main.cpp: In function 'void afisare(std::vector<int>)': main.cpp:77:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 77 | for (int i = 0; i < x.size(); i++) { | ~~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:90:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 90 | for (int i = 0; i < r.size(); i++) { | ~~^~~~~~~~~~