Phương pháp đánh giá: Special Judge
| Subtask 1Điểm mỗi test được cộng vào dạng phần trăm, Tổng số điểm 20 | |
| railwayA03.in | railwayA03.out | 
| railwayA04.in | railwayA04.out | 
| railwayA05.in | railwayA05.out | 
| railwayA06.in | railwayA06.out | 
| railwayA07.in | railwayA07.out | 
| railwayA08.in | railwayA08.out | 
| railwayA09.in | railwayA09.out | 
| railwayA10.in | railwayA10.out | 
| railwayA11.in | railwayA11.out | 
| railwayA12.in | railwayA12.out | 
| railwayA13.in | railwayA13.out | 
| railwayA14.in | railwayA14.out | 
| railwayA15.in | railwayA15.out | 
| railwayA16.in | railwayA16.out | 
| railwayA17.in | railwayA17.out | 
| Subtask 2Điểm mỗi test được cộng vào dạng phần trăm, Tổng số điểm 20 | |
| railwayB01.in | railwayB01.out | 
| railwayB02.in | railwayB02.out | 
| railwayB18.in | railwayB18.out | 
| railwayB19.in | railwayB19.out | 
| railwayB20.in | railwayB20.out | 
| railwayB21.in | railwayB21.out | 
| railwayB22.in | railwayB22.out | 
| railwayB23.in | railwayB23.out | 
| railwayB24.in | railwayB24.out | 
| railwayB25.in | railwayB25.out | 
| railwayB26.in | railwayB26.out | 
| railwayB27.in | railwayB27.out | 
| railwayB28.in | railwayB28.out | 
| railwayB29.in | railwayB29.out | 
| railwayB30.in | railwayB30.out | 
| Subtask 3Điểm mỗi test được cộng vào dạng phần trăm, Tổng số điểm 60 | |
| railwayC31.in | railwayC31.out | 
| railwayC32.in | railwayC32.out | 
| railwayC33.in | railwayC33.out | 
| railwayC34.in | railwayC34.out | 
| railwayC35.in | railwayC35.out | 
| railwayC36.in | railwayC36.out | 
| railwayC37.in | railwayC37.out | 
| railwayC38.in | railwayC38.out | 
| railwayC39.in | railwayC39.out | 
| railwayC40.in | railwayC40.out | 
| railwayC41.in | railwayC41.out | 
| railwayC42.in | railwayC42.out | 
| railwayC43.in | railwayC43.out | 
| railwayC44.in | railwayC44.out | 
| railwayC45.in | railwayC45.out | 
| railwayC46.in | railwayC46.out | 
| railwayC47.in | railwayC47.out | 
| railwayC48.in | railwayC48.out | 
| railwayC49.in | railwayC49.out | 
| railwayC50.in | railwayC50.out |