Borderou de evaluare (job #743050)

Compilare: main.cpp: In function 'int main()': main.cpp:14:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 14 | for(int i = 0; i < x.size(); i++) | ~~^~~~~~~~~~ main.cpp:16:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 16 | if(i != x.size()-1) | ~~^~~~~~~~~~~~~