View Compilation Error

0_0_13283813_18631.cpp: In function 'int query(int, int)':
0_0_13283813_18631.cpp:53:30: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
  if (h[0][lef]-pow[r[lef]-s+1]==h[1][lef]-pow[r[lef]-s+1])
                              ^
0_0_13283813_18631.cpp:53:57: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
  if (h[0][lef]-pow[r[lef]-s+1]==h[1][lef]-pow[r[lef]-s+1])
                                                         ^