Compilare: main.cpp: In function 'void doReuniune(std::vector<int>&, std::vector<int>&)': main.cpp:58:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 58 | while (i < a.size() && j < b.size()) { | ~~^~~~~~~~~~ main.cpp:58:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 58 | while (i < a.size() && j < b.size()) { | ~~^~~~~~~~~~ main.cpp:73:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 73 | while (i < a.size()) { | ~~^~~~~~~~~~ main.cpp:77:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 77 | while (j < b.size()) { | ~~^~~~~~~~~~ main.cpp: In function 'void doIntersectie(std::vector<int>&, std::vector<int>&)': main.cpp:92:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 92 | while (i < a.size() && j < b.size()) { | ~~^~~~~~~~~~ main.cpp:92:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 92 | while (i < a.size() && j < b.size()) { | ~~^~~~~~~~~~ main.cpp:105:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 105 | while (i < a.size()) { | ~~^~~~~~~~~~ main.cpp:108:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 108 | while (j < b.size()) { | ~~^~~~~~~~~~