AVLtree is a self-balancing binary search tree. In an AVL tree if the difference between left and right subtrees is greater than 1 then it performs one of the following 4 rotations to rebalance itself : Left rotation Right rotation Left-Right rotation Right-Left rotation AVL tree How to Ch...
Deletion timeO(log n) + Rebalance timeO(1) std::unordered_mapclearly does have a considerable performance edge overstd::map. This is mainly becausestd::unordered_mapcan directly address value as they are placed in slots and, therefore, has no order that needs to be preserved. ...