Compilare: main.cpp: In function 'bool paranterizare()': main.cpp:17:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 17 | for(int i=0;i<=sir.size()-1;i++){ | ~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:55:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 55 | for(int i=0; i<s.size(); i++){ | ~^~~~~~~~~