foo.cpp: In function 'int main()':
foo.cpp:9:24: error: invalid types 'int[int]' for array subscript
    cin>>a[i]>>b[i]>>x[i]>>y[i];
                        ^
foo.cpp:9:30: error: invalid types 'int[int]' for array subscript
    cin>>a[i]>>b[i]>>x[i]>>y[i];
                              ^
foo.cpp:13:29: error: invalid types 'int[int]' for array subscript
         if(a[i]<=x&&a[i]+x[i]>=x&&b[i]<=y&&b[i]+y[i]>=y)
                             ^
foo.cpp:13:52: error: invalid types 'int[int]' for array subscript
         if(a[i]<=x&&a[i]+x[i]>=x&&b[i]<=y&&b[i]+y[i]>=y)
                                                    ^