Compilare: main.cpp: In function 'std::vector<int> Merge(std::vector<int>, std::vector<int>)': main.cpp:22:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 22 | while(i < a.size() && j < b.size()) | ~~^~~~~~~~~~ main.cpp:22:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 22 | while(i < a.size() && j < b.size()) | ~~^~~~~~~~~~ main.cpp:30:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 30 | while(i < a.size()) | ~~^~~~~~~~~~ main.cpp:34:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 34 | while(j < b.size()) | ~~^~~~~~~~~~