Compilare: main.cpp: In function 'int getNrDeNrAproape(std::string)': main.cpp:30:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 30 | for(int i = 0; i < s.size(); i++){ | ~~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:72:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 72 | for(int i = 0; i < s.size(); i++){ | ~~^~~~~~~~~~ main.cpp:77:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 77 | for(int i = 0; i < s.size(); i++){ | ~~^~~~~~~~~~ main.cpp:96:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 96 | for(int i = 0; i < s.size(); i++){ | ~~^~~~~~~~~~ main.cpp:118:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 118 | for(int i = 0; i < s.size(); i++){ | ~~^~~~~~~~~~