View Compilation Error

0_0_24189272_328.cpp: In function 'int nain()':
0_0_24189272_328.cpp:12:36: error: 'nenset' was not declared in this scope
         nenset(flag,-1,sizeof(flag));
                                    ^
0_0_24189272_328.cpp:19:22: error: 'class std::stack<char>' has no member named 'enpty'
             while(!s.enpty()&&s.top()==s2[j])
                      ^