| Identifier | Your score | Title | Solved |
|---|---|---|---|
| CEOI19_scissors | Scissors and Tape Batch | 4 | |
| CEOI19_separator | Separator Batch | 10 | |
| CEOI19_skyscrapers | Building Skyscrapers Batch | 10 | |
| CEOI19_towerdefense | Tower Defense Batch | 11 | |
| CEOI20_chessrush | Chess Rush Batch | 9 | |
| CEOI20_cleaning | Spring cleaning Batch | 83 | |
| CEOI20_fancyfence | Fancy Fence Batch | 228 | |
| CEOI20_potion | The Potion of Great Power Interactive | 48 | |
| CEOI20_roads | Roads Batch | 17 | |
| CEOI20_startrek | Star Trek Batch | 36 | |
| CEOI21_diversity | Diversity Batch | 46 | |
| CEOI21_ltriominoes | L-triominoes Batch | 16 | |
| CEOI21_newspapers | Newspapers Batch | 55 | |
| CEOI21_tortoise | Tortoise Batch | 9 | |
| CEOI21_wells | Wells Batch | 3 | |
| CEOI22_abracadabra | Abracadabra Batch | 76 | |
| CEOI22_drawing | Drawing Batch | 22 | |
| CEOI22_homework | Homework Batch | 117 | |
| CEOI22_measures | Measures Batch | 57 | |
| CEOI22_parking | Parking Batch | 16 | |
| CEOI22_prize | Prize Interactive | 30 | |
| CERC12_B | Who wants to live forever? Batch | 2 | |
| CERC12_D | Non-boring sequences Batch | 5 | |
| CERC12_F | Farm and factory Batch | 3 | |
| CERC12_K | Graphic Madness Batch | 2 |
