View Compilation Error

0_0_33648454_5621.cpp:10:1: error: 'll' does not name a type
 ll f[maxn]; 
 ^
0_0_33648454_5621.cpp: In function 'int main()':
0_0_33648454_5621.cpp:16:2: error: 'f' was not declared in this scope
  f[0]=1,f[1]=1;
  ^
0_0_33648454_5621.cpp:18:14: error: 'en' was not declared in this scope
  cout<<f[i]<<en 
              ^
0_0_33648454_5621.cpp:20:7: error: 't' was not declared in this scope
  cin>>t;
       ^
0_0_33648454_5621.cpp:37:1: error: expected '}' at end of input
 }
 ^