View Compilation Error

0_0_37799603_15956.cpp: In function 'long long int dijkstra()':
0_0_37799603_15956.cpp:36:14: error: expected unqualified-id before '[' token
         auto [d, ver] = q.top();
              ^
0_0_37799603_15956.cpp:39:15: error: 'ver' was not declared in this scope
         if(st[ver]) continue;
               ^
0_0_37799603_15956.cpp:40:12: error: 'ver' was not declared in this scope
         st[ver] = 1;
            ^