Compilare: main.cpp: In function 'int main()': main.cpp:15:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 15 | for(int i=0; i<s.length(); i++){ | ~^~~~~~~~~~~ main.cpp:13:24: warning: unused variable 'maxim' [-Wunused-variable] 13 | long long ele = 0, maxim = 0, no=0; | ^~~~~