View Compilation Error

0_0_28661654_3761.cpp: In function 'int main()':
0_0_28661654_3761.cpp:13:9: error: 'll' was not declared in this scope
         ll cnt = 0;
         ^
0_0_28661654_3761.cpp:14:12: error: expected ';' before 'sum'
         ll sum = 0;
            ^
0_0_28661654_3761.cpp:18:17: error: 'cnt' was not declared in this scope
                 cnt++;
                 ^
0_0_28661654_3761.cpp:20:13: error: 'sum' was not declared in this scope
             sum += a[i];
             ^
0_0_28661654_3761.cpp:22:13: error: 'cnt' was not declared in this scope
         if(!cnt){
             ^
0_0_28661654_3761.cpp:23:28: error: 'sum' was not declared in this scope
             printf("%d\n", sum);
                            ^
0_0_28661654_3761.cpp:26:9: error: 'sum' was not declared in this scope
         sum = (sum - cnt) / 2;
         ^
0_0_28661654_3761.cpp:26:22: error: 'cnt' was not declared in this scope
         sum = (sum - cnt) / 2;
                      ^