View Compilation Error

0_0_39517267_13401.cpp: In member function 'void Solver::dfs_edge(int, int, int)':
0_0_39517267_13401.cpp:68:25: error: '_tot' was not declared in this scope; did you mean 'tot'?
   68 |                         _tot+=way;
      |                         ^~~~
      |                         tot
0_0_39517267_13401.cpp: In function 'int main()':
0_0_39517267_13401.cpp:123:15: error: '_tot' was not declared in this scope
  123 |         cout<<_tot<<endl;
      |               ^~~~