View Compilation Error

0_0_37708595_4944.cpp: In lambda function:
0_0_37708595_4944.cpp:52:22: error: expected unqualified-id before '[' token
                 auto [x,y]=Q.front();
                      ^
0_0_37708595_4944.cpp:55:24: error: 'x' was not declared in this scope
                 if(vis[x][y]) continue;
                        ^
0_0_37708595_4944.cpp:55:27: error: 'y' was not declared in this scope
                 if(vis[x][y]) continue;
                           ^
0_0_37708595_4944.cpp:56:21: error: 'x' was not declared in this scope
                 vis[x][y]=1;
                     ^
0_0_37708595_4944.cpp:56:24: error: 'y' was not declared in this scope
                 vis[x][y]=1;
                        ^