View Compilation Error

0_0_38484286_25609.cpp: In function 'void solve()':
0_0_38484286_25609.cpp:20:14: error: expected unqualified-id before '[' token
         auto [x,y]=q.top(); q.pop();
              ^
0_0_38484286_25609.cpp:21:34: error: 'y' was not declared in this scope
         if(!rq.size()) { rq.push(y); continue; }
                                  ^
0_0_38484286_25609.cpp:23:15: error: 'x' was not declared in this scope
         while(x>minr)
               ^
0_0_38484286_25609.cpp:30:17: error: 'y' was not declared in this scope
         rq.push(y);
                 ^