Qualification Round 2021: rank 8019 with score 42. See submissions
| Task | Language | Cases | 
|---|---|---|
| Reversort Engineering | C++ | 2 | 
| Moons and Umbrellas | C++ | 3 | 
| Reversort | C++ | 1 | 
Round 1C 2021: rank 33 with score 100. See submissions
| Task | Language | Cases | 
|---|---|---|
| Double or NOTing | C++ | 2 | 
| Roaring Years | Python 3 | 2 | 
| Closest Pick | C++ | 2 | 
Round 2 2021: rank 384 with score 77. See submissions
| Task | Language | Cases | 
|---|---|---|
| Retiling | C++ | 1 | 
| Hidden Pancakes | C++ | 2 | 
| Minimum Sort | C++ | 1 | 
| Matrygons | C++ | 2 | 
Round 3 2021: rank 49 with score 55. See submissions
| Task | Language | Cases | 
|---|---|---|
| Square Free | C++ | 2 | 
| Binary Search Game | C++ | 1 | 
| Fence Design | C++ | 1 | 
| Square Free | C++ | 1 | 
| Build-A-Pair | C++ | 2 | 
GCJ Stats > GCJ 2021 > firefly