Compilare: main.cpp: In function 'std::vector<int> reuniune(std::vector<int>&, std::vector<int>&)': main.cpp:61:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 61 | while (i < a.size() && j < b.size()) | ~~^~~~~~~~~~ main.cpp:61:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 61 | while (i < a.size() && j < b.size()) | ~~^~~~~~~~~~ main.cpp:82:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 82 | while (i < a.size()) | ~~^~~~~~~~~~ main.cpp:88:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 88 | while (j < b.size()) | ~~^~~~~~~~~~ main.cpp: In function 'std::vector<int> intersectie(std::vector<int>&, std::vector<int>&)': main.cpp:102:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 102 | while (i < a.size() && j < b.size()) | ~~^~~~~~~~~~ main.cpp:102:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 102 | while (i < a.size() && j < b.size()) | ~~^~~~~~~~~~