Compilare: main.cpp: In function 'int findd(char, std::string)': main.cpp:27:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 27 | for(int i = 0; i < s.size(); i++) | ~~^~~~~~~~~~ main.cpp: In function 'std::vector<int> reuniune(std::vector<int>, std::vector<int>)': main.cpp:41:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 41 | while(i < a.size() && j < b.size()) | ~~^~~~~~~~~~ main.cpp:41:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 41 | while(i < a.size() && j < b.size()) | ~~^~~~~~~~~~ main.cpp:47:13: 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.size()) | ~~^~~~~~~~~~ main.cpp:49:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 49 | while(j < b.size()) | ~~^~~~~~~~~~ main.cpp: In function 'std::vector<int> unificare(std::vector<int>, std::vector<int>)': main.cpp:58:13: 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:58:29: 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: In function 'int main()': main.cpp:112:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 112 | for(int i = 0; i < s.size(); i++) | ~~^~~~~~~~~~ main.cpp:138:33: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 138 | for(int i = poz3 + 1; i < s.size(); i++) | ~~^~~~~~~~~~ main.cpp:155:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 155 | for(int i = 0; i < rasp.size(); i++) | ~~^~~~~~~~~~~~~