View Compilation Error

0_0_37717752_17480.cpp: In function 'void work()':
0_0_37717752_17480.cpp:68:14: error: expected unqualified-id before '[' token
         auto [x,d,opt]=que.top();
              ^
0_0_37717752_17480.cpp:70:18: error: 'x' was not declared in this scope
         st.erase(x);
                  ^
0_0_37717752_17480.cpp:71:12: error: 'opt' was not declared in this scope
         if(opt==1){//由特殊边到达x，找到S集合非邻边进行更新
            ^
0_0_37717752_17480.cpp:92:12: error: 'opt' was not declared in this scope
         if(opt==1)det=k;
            ^
0_0_37717752_17480.cpp:95:41: error: 'opt' was not declared in this scope
             if(dis[u][tu[i].opt]>dis[x][opt]+(tu[i].val-det)){
                                         ^