View Compilation Error

0_0_33607516_17107.cpp: In function 'int dfs(int, int, int)':
0_0_33607516_17107.cpp:36:30: error: invalid types 'int[int]' for array subscript
   if(!limit  && f[pos][sum][A]!=-1)  return f[pos][sum][A];
                              ^
0_0_33607516_17107.cpp:36:58: error: invalid types 'int[int]' for array subscript
   if(!limit  && f[pos][sum][A]!=-1)  return f[pos][sum][A];
                                                          ^
0_0_33607516_17107.cpp:45:18: error: invalid types 'int[int]' for array subscript
     f[pos][sum][A]=res;
                  ^