Compilare: main.cpp: In function 'void solve()': main.cpp:39:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 39 | if(max1>s.size()) | ~~~~^~~~~~~~~ main.cpp:45:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 45 | for(int i=0;i<s.size();i++) | ~^~~~~~~~~ main.cpp:57:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 57 | if(maxx<=s.size()-i-1) | ~~~~^~~~~~~~~~~~~~