View Compilation Error

0_0_30198888_17014.cpp: In function 'int main()':
0_0_30198888_17014.cpp:11:8: error: 'e' was not declared in this scope
   cin>>e;
        ^
0_0_30198888_17014.cpp:15:11: error: 'ap' was not declared in this scope
     dp[p]=ap[p-1]+dp[p-2];
           ^
0_0_30198888_17014.cpp:18:9: error: 'a' was not declared in this scope
   cout<<a[e]<<endl;
         ^