Compilare: main.cpp: In function 'int main()': main.cpp:27:53: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 27 | while (word[siz]==new_word[siz]&&siz<word.size()&&siz<new_word.size()) siz++; | ~~~^~~~~~~~~~~~ main.cpp:27:70: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 27 | while (word[siz]==new_word[siz]&&siz<word.size()&&siz<new_word.size()) siz++; | ~~~^~~~~~~~~~~~~~~~