Eroare de compilare: main.cpp: In function 'int main()': main.cpp:54:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 54 | for(int i=0;i<s.size();i++) | ~^~~~~~~~~ main.cpp:71:11: error: expected ';' before 'return' 71 | rand() | ^ | ; 72 | return 0; | ~~~~~~ main.cpp:61:15: warning: unused variable 'lungime_s' [-Wunused-variable] 61 | long long lungime_s=s.size(); | ^~~~~~~~~ Non zero exit status: 1