View Compilation Error

0_0_23869893_4292.cpp: In function 'int main()':
0_0_23869893_4292.cpp:24:9: error: 'A' was not declared in this scope
    cin>>A[i];
         ^
0_0_23869893_4292.cpp:32:8: error: 'A' was not declared in this scope
     if(A[i]==2)an++;
        ^