View Compilation Error

0_0_37836210_30635.cpp: In function 'long long int djs()':
0_0_37836210_30635.cpp:40:14: error: expected unqualified-id before '[' token
         auto [d,pos]=q.top();q.pop();
              ^
0_0_37836210_30635.cpp:41:16: error: 'pos' was not declared in this scope
         if(vis[pos]) continue;
                ^
0_0_37836210_30635.cpp:42:13: error: 'pos' was not declared in this scope
         vis[pos]=true;
             ^