View Compilation Error

0_0_21225033_14260.cpp: In function 'double jie(double)':
0_0_21225033_14260.cpp:6:2: error: 'nbsp' was not declared in this scope
  if(n==1)
  ^
0_0_21225033_14260.cpp:8:7: error: 'else' without a previous 'if'
  else
       ^
0_0_21225033_14260.cpp: In function 'int main()':
0_0_21225033_14260.cpp:13:2: error: 'nbsp' was not declared in this scope
  cout<<"n"<<" "<<"e"<<endl;
  ^
0_0_21225033_14260.cpp:19:50: error: 'i' was not declared in this scope
         cout<<i<<" ";
                                                  ^