Compilare: main.cpp: In function 'std::vector<int> Answer(std::vector<int>, std::vector<int>)': main.cpp:47:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 47 | while (i_a < a.size() || i_b < b.size()) { | ~~~~^~~~~~~~~~ main.cpp:47:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 47 | while (i_a < a.size() || i_b < b.size()) { | ~~~~^~~~~~~~~~ main.cpp:55:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 55 | if (i_b < b.size() && (i_a == a.size() || b[i_b] < a[i_a])) { | ~~~~^~~~~~~~~~ main.cpp:55:36: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 55 | if (i_b < b.size() && (i_a == a.size() || b[i_b] < a[i_a])) { | ~~~~^~~~~~~~~~~