- (Algorithms): Data Structure - Finite State Transducer (FST).
- (Algorithms): Algorithm - A method to decode Huffman codes.
- (Algorithms): Data Structure - B-Tree.
- (Algorithms): Data Structure - Suffix Tree.
- (Algorithms): Data Structure - Trie and Ternary Search Tree.
- (Algorithms): Data Structure - Binary Heap.
- (Algorithms): Data Structure - AA Tree.
- (Challenges): Countdown problem.
- (Algorithms): Data Structure - Disjoint Set.
- (Algorithms): SEA Talk: Algorithms for approximate string matching.
- (Challenges): Measure 9 minutes with 7 and 4 minutes hourglasses.
- (Challenges): Approximation of circle with rectangles.