View Compilation Error

0_0_38091753_6274.cpp: In function 'void solve()':
0_0_38091753_6274.cpp:67:14: error: expected unqualified-id before '[' token
         auto [d, u] = que.top(); que.pop();
              ^
0_0_38091753_6274.cpp:68:13: error: 'd' was not declared in this scope
         if (d > dis[u]) continue;
             ^
0_0_38091753_6274.cpp:68:21: error: 'u' was not declared in this scope
         if (d > dis[u]) continue;
                     ^
0_0_38091753_6274.cpp:69:33: error: 'u' was not declared in this scope
         for (const auto& e : G[(u > n) ? u - n : u]) {
                                 ^