Borderou de evaluare (job #714467)

Compilare: main.cpp: In function 'int main()': main.cpp:11:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 11 | while(i<a.size()) | ~^~~~~~~~~ main.cpp:58:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 58 | } else if(ci==a.size()) | ~~^~~~~~~~~~