| Alias | Your score | Title | Solved # |
|---|---|---|---|
| CEOI15_nuclearia | Nuclearia Batch | 20 | |
| CEOI15_pipes | Pipes Batch | 211 | |
| CEOI15_teams | Calvinball championship Batch | 252 | |
| CEOI16_icc | ICC Batch | 224 | |
| CEOI16_kangaroo | Kangaroo Batch | 489 | |
| CEOI16_match | Match Batch | 168 | |
| CEOI16_popeala | Popeala Batch | 134 | |
| CEOI16_router | Router Output Only | 14 | |
| CEOI17_building | Building Bridges Batch | 484 | |
| CEOI17_chase | Chase Batch | 132 | |
| CEOI17_mousetrap | Mousetrap Batch | 100 | |
| CEOI17_mul | Multiply Batch | 15 | |
| CEOI17_museum | Museum Batch | 188 | |
| CEOI17_oneway | One-Way Streets Batch | 531 | |
| CEOI17_palindromic | Palindromic Partitions Batch | 506 | |
| CEOI17_sure | Sure Bet Batch | 547 | |
| CEOI18_clo | Cloud Computing Batch | 652 | |
| CEOI18_fib | Fibonacci representations Batch | 16 | |
| CEOI18_glo | Global Warming Batch | 890 | |
| CEOI18_lot | Lottery Batch | 260 | |
| CEOI18_toy | Toys Batch | 331 | |
| CEOI18_tri | Triangles Batch | 121 | |
| CEOI19_amusementpark | Amusement Park Batch | 89 | |
| CEOI19_countsquares | Count Squares Batch | 34 | |
| CEOI19_cubeword | Cubeword Batch | 131 |
