Compilare: main.cpp: In function 'int main()': main.cpp:77:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 77 | while(i<l.size() && j<r.size()) | ~^~~~~~~~~ main.cpp:77:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 77 | while(i<l.size() && j<r.size()) | ~^~~~~~~~~ main.cpp:83:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 83 | while(i<l.size()) | ~^~~~~~~~~ main.cpp:88:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 88 | while(j<r.size()) | ~^~~~~~~~~