View Compilation Error

0_0_37838747_20407.cpp: In function 'void solve()':
0_0_37838747_20407.cpp:26:14: error: expected unqualified-id before '[' token
         auto [x, y, e] = edge[i];
              ^
0_0_37838747_20407.cpp:27:23: error: 'x' was not declared in this scope
         if(find(find, x) != find(find, y)){
                       ^
0_0_37838747_20407.cpp:27:40: error: 'y' was not declared in this scope
         if(find(find, x) != find(find, y)){
                                        ^
0_0_37838747_20407.cpp:29:20: error: 'e' was not declared in this scope
             ans += e;
                    ^