运行 ID: 121207

Main.cc: In function ‘int main()’:
Main.cc:10:57: error: missing template arguments before ‘q’
 ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); queue q; cin>>n; for (int i=1;i<=n;i++) {
                                                         ^
Main.cc:16:9: error: ‘q’ was not declared in this scope
         q.push((Info){i,j,0});
         ^
Main.cc:20:9: error: ‘q’ was not declared in this scope
  while(!q.empty()&&q.front().t