View Compilation Error

0_0_36921964_387.cpp:6:9: error: 'll' does not name a type
 typedef ll long long
         ^
0_0_36921964_387.cpp: In function 'int main()':
0_0_36921964_387.cpp:15:9: error: 'll' was not declared in this scope
         ll n,k;
         ^
0_0_36921964_387.cpp:16:14: error: 'n' was not declared in this scope
         cin>>n>>k;
              ^
0_0_36921964_387.cpp:16:17: error: 'k' was not declared in this scope
         cin>>n>>k;
                 ^