View Compilation Error

0_0_27060023_27946.cpp: In function 'int dfs(int, int, int)':
0_0_27060023_27946.cpp:86:11: error: 'j' does not name a type
  register j = y;
           ^
0_0_27060023_27946.cpp:87:16: error: 'i' does not name a type
  for (register i = x; i < SIZE; i++, j = 0)
                ^
0_0_27060023_27946.cpp:87:23: error: expected ';' before 'i'
  for (register i = x; i < SIZE; i++, j = 0)
                       ^
0_0_27060023_27946.cpp:87:23: error: 'i' was not declared in this scope
0_0_27060023_27946.cpp:87:38: error: 'j' was not declared in this scope
  for (register i = x; i < SIZE; i++, j = 0)
                                      ^