Borderou de evaluare (job #804422)

Eroare de compilare: main.cpp: In function 'int main()': main.cpp:20:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 20 | for (int i = 0; i < s.size(); i++) | ~~^~~~~~~~~~ main.cpp:24:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 24 | for (int j = i; j < s.size() && j <= i + 3; j++) | ~~^~~~~~~~~~ main.cpp:27:31: error: 'pow' was not declared in this scope 27 | val += (aux[3]-'0') * pow(2, 0); | ^~~