Compilare: main.cpp: In function 'std::vector<short int> A(std::vector<short int>, std::vector<short int>)': main.cpp:18:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<short int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 18 | for(int i=0;i<a.size();i++,t=sum/10){ | ~^~~~~~~~~ main.cpp:22:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<short int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 22 | for(int i=a.size();i<b.size();i++,t=sum/10){ | ~^~~~~~~~~