| Id | Title | Translations | Solved | ||
|---|---|---|---|---|---|
| 135 | Variable Length Code | 980 | 8.13 | ||
| 211 | Information Entropy | 410 | 9.64 | ||
| 136 | Variable Length Code Unpack | 367 | 9.83 | ||
| 138 | Huffman Coding | 199 | 10.89 | ||
| 137 | Shannon-Fano Coding | 184 | 11.02 | ||
| 141 | Sliding Window Search | 105 | 11.99 | ||
| 142 | LZ77 decompression | 97 | 12.13 | ||
| 230 | Move-To-Front Transform | 56 | 13.07 | ||
| 229 | Burrows-Wheeler Transform | 42 | 13.56 | ||
| 342 | Adaptive Arithmetic Coding | 8 | 16.28 |