Record Case Detail

Notes

This function is in beta test. Please help improve it in the issues here.

Stderr


        

Hints

Your answer may be identical to the JOJ answer in the first several lines.

However, the main problem you meet now is Runtime Error. And the exit code of your program is -11, which should be 0.

Please double check your code to solve this problem and try again.

Your Answer

Invalid graph. Exiting.

JOJ Answer

1289
774
723
747
1007
652
365
722
805
155
831
544
706
361
764
514
882
1046
1045
885
441
1419
753
913
535
638
806
685
946
695
1257
629
1441
1400
833
589
824
612
864
727
955
249
414
824
800
691
475
774
913
638
687
353
940
1051
663
1171
670
813
345
655
718
271
951
619
745
386
433
644
759
320
762
360
710
1009
539
860
637
1216
603
1493
361
1485
998
297
659
432
775
739
603
935
1494
720
591
477
566
609
448
907
400
574
647
689
651
821
1058
678
439
693
668
748
825
437
617
705
776
588
1092
716
749
639
524
914
492
1200
849
700
477
650
774
459
673
695
621
788
857
757
742
457
662
762
1099
733
692
989
758
614
255
654
855
824
479
402
674
966
440
726
1016
367
519
1058
640
576
217
797
931
869
394
625
611
1169
427
498
527
874
314
646
749
817
768