View Compilation Error

0_0_21360613_27416.cpp: In function 'int main()':
0_0_21360613_27416.cpp:40:35: error: request for member 'size' in 'inter', which is of non-class type 'int [3002]'
         for (int p = 0; p < inter.size() - 1; ++ p) {
                                   ^