Compilare: main.cpp: In function 'std::string nm(int)': main.cpp:34:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 34 | while (pos < s.size() && s[pos] != ')') | ~~~~^~~~~~~~~~ main.cpp: In function 'std::string palindPar(int)': main.cpp:90:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 90 | while (p < s.size() && s[p] != ']') | ~~^~~~~~~~~~ main.cpp: In function 'std::string palindImp(int)': main.cpp:118:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 118 | while (p < s.size() && s[p] != '*') | ~~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:146:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 146 | for (i = 0; i < s.size(); i++) | ~~^~~~~~~~~~