View Compilation Error

0_0_38790517_31355.cpp: In member function 'int Network::dfs(int, int, int)':
0_0_38790517_31355.cpp:46:23: error: invalid conversion from 'int*' to 'int' [-fpermissive]
   46 |             for(int i=&th[u];i&&flow;i=e[i].nxt){
      |                       ^~~~~~
      |                       |
      |                       int*