View Compilation Error

0_0_38876142_14157.cpp:47:10: error: variable or field 'add' declared void
   47 |     void add
      |          ^~~
0_0_38876142_14157.cpp:47:10: error: expected ';' at end of member declaration
   47 |     void add
      |          ^~~
      |             ;
0_0_38876142_14157.cpp: In function 'void work()':
0_0_38876142_14157.cpp:155:14: error: 'struct ISAP' has no member named 'addEdge'; did you mean 'addDEdge'?
  155 |         isap.addEdge(a, b, c);
      |              ^~~~~~~
      |              addDEdge