| lights | Batch | Number Theory, Raffles Cat Helping Contest 2013 | 260 |
| monopoly | Batch | Raffles Cat Helping Contest 2013, Dynamic Programming | 143 |
| delivery | Batch | Graph Theory, TSP, Dijkstra, Raffles Cat Helping Contest 2013 | 45 |
| rarsum | Batch | Raffles Cat Helping Contest 2013 | 31 |
| scheduler | Batch | Raffles Cat Helping Contest 2013 | 26 |