| lights | Batch | Number Theory, Raffles Cat Helping Contest 2013 | 227 |
| monopoly | Batch | Raffles Cat Helping Contest 2013, Dynamic Programming | 116 |
| delivery | Batch | Graph Theory, TSP, Dijkstra, Raffles Cat Helping Contest 2013 | 40 |
| scheduler | Batch | Raffles Cat Helping Contest 2013 | 26 |
| rarsum | Batch | Raffles Cat Helping Contest 2013 | 26 |