View Compilation Error

0_0_15141528_26173.cpp: In function 'int main()':
0_0_15141528_26173.cpp:14:19: error: expression list treated as compound expression in initializer [-fpermissive]
     scanf("%d", &N);
                   ^
0_0_15141528_26173.cpp:14:19: error: invalid conversion from 'int*' to 'long long int' [-fpermissive]
0_0_15141528_26173.cpp:17:23: error: 'scanf' cannot be used as a function
         scanf("%d", &n);
                       ^
0_0_15141528_26173.cpp:23:33: error: 'scanf' cannot be used as a function
             scanf("%I64d", &a[i]);
                                 ^