| leetspeak | Batch | String Processing | 145 |
| lazycat | Batch | NOI 2009, Graph Theory, TSP, Dynamic Programming | 95 |
| hotspot | Batch | NOI 2017 | 52 |
| delivery | Batch | Graph Theory, TSP, Dijkstra, Raffles Cat Helping Contest 2013 | 40 |
| tour | Batch | NOI 2011, Dynamic Programming, Graph Theory, TSP, Breadth First Search | 32 |
| boredtsp | Batch | Google Code Jam 2014, Graph Theory, Brute Force | 1 |