Eroare de compilare: main.cpp: In function 'int main()': main.cpp:14:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 14 | for(int i=0; i<b.length();i++){ | ~^~~~~~~~~~~ main.cpp:15:8: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 15 | if(i<a.length()) x[a[i]]++; | ~^~~~~~~~~~~ main.cpp:22:3: error: 'out' was not declared in this scope 22 | out<<megoldas<<"\n"; | ^~~ main.cpp:26:2: error: 'out' was not declared in this scope 26 | out.close(); | ^~~ Non zero exit status: 1