| Bài tập | Mã | Loại | Điểm | AC % | Số AC |
|---|---|---|---|---|---|
| CEOI 2018 - Fibonacci Representations | ceoi18fibonaccirepresentations | CEOI | 2700p | 40% | 2 |
| CEOI 2018 - Toys | ceoi18toys | CEOI | 1800p | 100% | 1 |
| CEOI 2020 - Chess Rush | ceoi20chessrush | CEOI | 2600p | 11% | 1 |
| CEOI 2020 - Spring Cleaning | ceoi20springcleaning | CEOI | 2400p | 20% | 1 |
| CEOI 2020 - Fancy Fence | ceoi20fancyfence | CEOI | 1800p | 100% | 1 |
| CEOI 2020 - Roads | ceoi20roads | CEOI | 2600p | 75% | 3 |
| CEOI 2020 - Star Trek | ceoi20startrek | CEOI | 2600p | 50% | 1 |
| CEOI 2020 - Potion of Great Power | ceoi20potion | CEOI | 2200p | 100% | 1 |