Compilare: main.cpp: In function 'std::vector<int> Plus(std::vector<int>, std::vector<int>)': main.cpp:17:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 17 | while (i < a.size() && j < b.size()) { | ~~^~~~~~~~~~ main.cpp:17:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 17 | while (i < a.size() && j < b.size()) { | ~~^~~~~~~~~~ main.cpp:32:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 32 | while (i < a.size()) { | ~~^~~~~~~~~~ main.cpp:36:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 36 | while (j < b.size()) { | ~~^~~~~~~~~~ main.cpp: In function 'std::vector<int> Ori(std::vector<int>, std::vector<int>)': main.cpp:46:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 46 | while (i < a.size() && j < b.size()) { | ~~^~~~~~~~~~ main.cpp:46:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 46 | while (i < a.size() && j < b.size()) { | ~~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:119:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 119 | while (P < aux.size()) { | ~~^~~~~~~~~~~~ main.cpp:130:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 130 | for (int i = 0; i < E.size(); i++) | ~~^~~~~~~~~~