View Compilation Error

0_0_39521218_6287.cpp:7:14: error: expected unqualified-id before '...' token
    7 | struct DSU { ... };
      |              ^~~
0_0_39521218_6287.cpp: In function 'void eachT()':
0_0_39521218_6287.cpp:34:18: error: too many initializers for 'DSU'
   34 |         DSU dsu(n);
      |                  ^
0_0_39521218_6287.cpp:40:41: error: 'struct DSU' has no member named 'find'
   40 |                                 u = dsu.find(u), v = dsu.find(v);
      |                                         ^~~~
0_0_39521218_6287.cpp:40:58: error: 'struct DSU' has no member named 'find'
   40 |                                 u = dsu.find(u), v = dsu.find(v);
      |                                                          ^~~~
0_0_39521218_6287.cpp:43:37: error: 'struct DSU' has no member named 'uno'
   43 |                                 dsu.uno(fa[v], v);
      |                                     ^~~