Compilare: main.cpp: In function 'bool primeleDoua()': main.cpp:10:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 10 | for(int i = 0; i<A.size()-1; i++) { | ~^~~~~~~~~~~ main.cpp: In function 'bool urmatoareaLitera(int)': main.cpp:21:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 21 | for(int i = 0; i<A.size()-2; i++) { | ~^~~~~~~~~~~ main.cpp: In function 'void solve()': main.cpp:34:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 34 | for(int i = 0; i<B.size(); i++) { | ~^~~~~~~~~