SLR 26 – Algorithms 160. OCR A Level (H446) SLR26 – 2.3 Measures and methods to determine efficiency of algorithms 161. OCR A Level (H446) SLR26 – 2.3 Comparison of the complexity of algorithms 162. OCR A Level (H446) SLR26 – 2.3 Big O notation in practice 155. OCR A Level (H446) SLR26 – 2.3 Implement merge sort 156. OCR A Level (H446) SLR26 – 2.3 Implement quick sort 157. OCR A Level (H446) SLR26 – 2.3 Dijkstra’s shortest path 158. OCR A Level (H446) SLR26 – 2.3 A star pathfinding 159. OCR A Level (H446) SLR26 – 2.3 A star pathfinding revisited