Master binary trees, BSTs, and graph representations (adjacency list, matrix). Trees are hierarchical; graphs are general networks.
class TreeNode {
constructor(val) {
this.val = val;
this.left = null;
this.right = null;
}
// ...Master binary trees, BSTs, and graph representations (adjacency list, matrix). Trees are hierarchical; graphs are general networks.
class TreeNode {
constructor(val) {
this.val = val;
this.left = null;
this.right = null;
}
// ...