View Compilation Error

0_0_37779417_856.cpp:5:1: error: 'll' does not name a type
 ll n,m,a[N];
 ^
0_0_37779417_856.cpp: In function 'int main()':
0_0_37779417_856.cpp:11:8: error: 'n' was not declared in this scope
   cin>>n;
        ^