Compilare: main.cpp: In function 'void doReuniune(std::vector<int>&, std::vector<int>&)': main.cpp:57:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 57 | while (i < a.size() && j < b.size()) { | ~~^~~~~~~~~~ main.cpp:57:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 57 | while (i < a.size() && j < b.size()) { | ~~^~~~~~~~~~ main.cpp:72:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 72 | while (i < a.size()) { | ~~^~~~~~~~~~ main.cpp:76:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 76 | while (j < b.size()) { | ~~^~~~~~~~~~ main.cpp: In function 'void doIntersectie(std::vector<int>&, std::vector<int>&)': main.cpp:91:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 91 | while (i < a.size() && j < b.size()) { | ~~^~~~~~~~~~ main.cpp:91:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 91 | while (i < a.size() && j < b.size()) { | ~~^~~~~~~~~~ main.cpp:104:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 104 | while (i < a.size()) { | ~~^~~~~~~~~~ main.cpp:107:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 107 | while (j < b.size()) { | ~~^~~~~~~~~~