View Compilation Error

0_0_13132587_979.cpp: In function 'int main()':
0_0_13132587_979.cpp:103:22: error: request for member 'begin' in 'vec', which is of non-class type 'std::vector<int> [100005]'
             sort(vec.begin(),vec.begin()+size);
                      ^
0_0_13132587_979.cpp:103:34: error: request for member 'begin' in 'vec', which is of non-class type 'std::vector<int> [100005]'
             sort(vec.begin(),vec.begin()+size);
                                  ^