View Compilation Error

0_0_33148439_27673.cpp: In function 'int main()':
0_0_33148439_27673.cpp:6:2: error: 'lomg' was not declared in this scope
  lomg long *arr=new long long [10000];
  ^
0_0_33148439_27673.cpp:7:2: error: 'arr' was not declared in this scope
  arr[0]=2;
  ^
0_0_33148439_27673.cpp:15:12: error: 'n' was not declared in this scope
  cout<<arr[n-1]<<endl;
            ^