| subgraphs | Batch | Raffles Cat Helping Practice Contest 2013, Graph Theory, Union Find Disjoint Set | 285 |
| general | Batch | Union Find Disjoint Set | 278 |
| car | Batch | Minimum Spanning Tree, Union Find Disjoint Set, Graph Theory | 223 |
| nemo | Batch | RI NOI Selection Test 2014, Graph Theory, Union Find Disjoint Set | 98 |
| permutationswap | Batch | Data Structure, Union Find Disjoint Set | 63 |
| equals | Batch | AtCoder, Union Find Disjoint Set | 50 |
| game_ioi14 | Batch | IOI 2014, Union Find Disjoint Set | 45 |
| globalwarming_ex | Batch | Data Structure, Union Find Disjoint Set | 39 |
| bottle | Batch | JOI 2013/2014, Graph Theory, Breadth First Search, Union Find Disjoint Set | 39 |
| rings | Batch | Union Find Disjoint Set, Graph Theory, IOI 2012 | 4 |