Compilare: main.cpp: In function 'std::vector<int> operator+(std::vector<int>, std::vector<int>)': main.cpp:26:31: warning: comparison of integer expressions of different signedness: 'int' and 'const long unsigned int' [-Wsign-compare] 26 | for(int i = 0; t > 0 || i < max(a.size(), b.size()); i++){ | ~~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:27:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 27 | if(i < a.size()) t += a[i]; | ~~^~~~~~~~~~ main.cpp:28:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 28 | if(i < b.size()) t += b[i]; | ~~^~~~~~~~~~ main.cpp: In function 'std::vector<int> operator*(std::vector<int>, int)': main.cpp:39:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 39 | for(int i = 0; t > 0 || i < a.size(); i++){ | ~~^~~~~~~~~~ main.cpp:40:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 40 | if(i < a.size()) t += a[i] * b; | ~~^~~~~~~~~~