list of problems
| ID | NAME | CODE | USERS | ACC % |
|---|---|---|---|---|
| 1477 | Play with a Tree | PT07A | 6 | 14.63 |
| 1478 | The Easiest Problem | PT07B | 27 | 5.42 |
| 1479 | The GbAaY Kingdom | PT07C | 2 | 2.90 |
| 1480 | Let us count 1 2 3 | PT07D | 6 | 5.61 |
| 1481 | Yet another computer network problem | PT07E | 5 | 53.12 |
| 1482 | A short vacation in Disneyland | PT07F | 25 | 9.33 |
| 1483 | Colorful Lights Party | PT07G | 0 | 0.00 |
| 1484 | Search in XML | PT07H | 4 | 9.52 |
| 1486 | The Ants in a Tree | PT07I | 15 | 79.12 |
| 1487 | Query on a tree III | PT07J | 27 | 9.83 |
| 1488 | Balloons of JiaJia | PT07K | 1 | 1.96 |