Compilare: main.cpp: In function 'int main()': main.cpp:36:31: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 36 | for(ll i=st.size()+1;i<s.size();++i) | ~^~~~~~~~~ main.cpp:37:16: warning: comparison of integer expressions of different signedness: '__gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type' {aka 'long long int'} and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 37 | if(z[i]==st.size()) l[i-st.size()-1]=1; main.cpp:45:31: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 45 | for(ll i=dr.size()+1;i<s.size();++i) | ~^~~~~~~~~ main.cpp:46:16: warning: comparison of integer expressions of different signedness: '__gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type' {aka 'long long int'} and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 46 | if(z[i]==dr.size()) r[n-1-(i-dr.size()-1)]=1;