| paint | Batch | NOI 2011, Greedy, Sorting | 373 |
| change | Batch | NOI 2011, Brute Force, Greedy | 64 |
| tutor | Batch | NOI 2011, Dynamic Programming | 30 |
| mantou | Batch | NOI 2011 Sec Selection Test 2 | 28 |
| superlongnoodles | Batch | Number Theory, Dijkstra, NOI 2011 Sec Selection Test 2 | 22 |
| message | Batch | NOI 2011 Sec Selection Test 1 | 19 |
| sequence | Batch | NOI 2011, Ad Hoc, Number Theory | 15 |
| journey | Batch | Graph Theory, NOI 2011 Sec Selection Test 1 | 15 |
| factortiles | Batch | NOI 2011 Sec Selection Test 2, Number Theory | 15 |
| puzzle | Batch | NOI 2011 Sec Selection Test 1 | 12 |
| tour | Batch | NOI 2011, Dynamic Programming, Graph Theory, TSP, Breadth First Search | 10 |
| bunnyhop | Batch | Ad Hoc, String Processing, NOI 2011 Sec Selection Test 2 | 8 |
| escaping | Batch | Ad Hoc, NOI 2011 Sec Selection Test 1 | 8 |
| repair | Batch | NOI 2011 Sec Selection Test 1 | 7 |