Compilare: main.cpp: In function 'int main()': main.cpp:28:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 28 | if (n > t.size()) | ~~^~~~~~~~~~ main.cpp:38:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 38 | for(;i<t.size();i++){ | ~^~~~~~~~~