35.1 Augmentation of Trees . . . . . . . . . .
35.2 Balanced BSTs . . . . . . . . . . . . . . .
35.2.1 Rotations . . . . . . . . . . . . . .
35.2.2 Implementation . . . . . . . . . . .
35.3 Order-Statistic Trees: Trees as Sequences
35.4 Augmented Spatial Trees