View Compilation Error

0_0_38464702_17426.cpp: In function 'int bfs()':
0_0_38464702_17426.cpp:16:14: error: expected unqualified-id before '[' token
         auto [v, t] = q.front();
              ^
0_0_38464702_17426.cpp:18:15: error: 'v' was not declared in this scope
         if (d[v] != INF)
               ^
0_0_38464702_17426.cpp:20:11: error: 'v' was not declared in this scope
         d[v] = t;
           ^
0_0_38464702_17426.cpp:20:16: error: 't' was not declared in this scope
         d[v] = t;
                ^