Borderou de evaluare (job #642838)

Compilare: main.cpp: In function 'std::pair<bool, int> check(int)': main.cpp:10:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 10 | for(int i = s.size() - 2;i<s.size();i++){ | ~^~~~~~~~~ main.cpp: In function 'int main()': main.cpp:49:21: warning: unused variable 'cnt' [-Wunused-variable] 49 | int cnt = i; | ^~~ main.cpp:59:27: warning: unused variable 'nrp' [-Wunused-variable] 59 | long long int suma =0,nrp = 0; | ^~~