View Compilation Error

0_0_19170634_13689.cpp:7:1: error: 'll' does not name a type
 ll a[N];
 ^
0_0_19170634_13689.cpp: In function 'int main()':
0_0_19170634_13689.cpp:19:20: error: 'a' was not declared in this scope
             cin >> a[i],sum += a[i];
                    ^
0_0_19170634_13689.cpp:28:17: error: 'a' was not declared in this scope
             if (a[i] < sum - res){
                 ^