View Compilation Error

0_0_13067122_18259.cpp: In function 'int main()':
0_0_13067122_18259.cpp:12:21: error: 's' was not declared in this scope
         getline(cin,s);
                     ^
0_0_13067122_18259.cpp:21:24: error: 'std::string' has no member named 'reverse'
             cout<<temp.reverse();
                        ^