View Compilation Error

0_0_39107633_12165.cpp: In member function 'int PAM::cmp(int, int, int, int)':
0_0_39107633_12165.cpp:79:31: error: invalid types 'int[int]' for array subscript
   79 |                         if(num[x]!=num[y]) return num[x]>num[y]?1:-1;
      |                               ^
0_0_39107633_12165.cpp:79:39: error: invalid types 'int[int]' for array subscript
   79 |                         if(num[x]!=num[y]) return num[x]>num[y]?1:-1;
      |                                       ^
0_0_39107633_12165.cpp:79:54: error: invalid types 'int[int]' for array subscript
   79 |                         if(num[x]!=num[y]) return num[x]>num[y]?1:-1;
      |                                                      ^
0_0_39107633_12165.cpp:79:61: error: invalid types 'int[int]' for array subscript
   79 |                         if(num[x]!=num[y]) return num[x]>num[y]?1:-1;
      |                                                             ^