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Top 20 Problems on Dynamic programming

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Top 15 Problems in LinkedList

All Problems

# Status Problem video Level Completes Likes
77

Construct a binary tree from given Inorder and Postorder Traversal

Hard % 0
76

Calculate Vertical Sum in Binary Tree

Medium % 0
74

Lowest Common Ancestor in a Binary Tree (Not Binary Search Tree).

Hard % 0
73

Lowest Common Ancestor in a Binary Search Tree.

Medium % 0
72

Make a Binary Tree from Given Inorder and Preorder Traversal

Hard % 0
71

Given a binary tree, find out the maximum sum of value from root to each leaf

Medium % 0
70

Reversing Alternate Levels in a Binary Tree

Medium % 0
68

Transforming a Binary Tree into its Mirror Image

Beginner % 0
67

Printing Nodes without Siblings in a Binary Tree

Beginner % 0
65

Given a binary tree, Find the Maximum Path Sum between Any Two Leaves

Medium % 0
62

In a Binary Tree, Check if Two nodes has the same parent or are siblings

Medium % 0
61

Determine If Two Nodes are Cousins

Medium % 0
60

Determine if Two BSTs are Identical

Beginner % 0
58

Generate All String Permutations

Hard % 0
57

Sort an Array According to the Order Defined by Another Array

Medium % 0
56

Sort an Array - odd numbers appear first in ascending order followed by the even numbers in descending order.

Medium % 0
54

Maximum Width of a Binary Tree

Medium % 0
53

Count occurrences of a number in a sorted array

Medium % 0
52

Find Common Numbers in Three Sorted Arrays

Beginner % 0
50

Find the first repeated element in an array by its index

Medium % 0
49

Find the Unreachable Minimum in Array Subsets

Medium % 0
47

Find the Size of the Binary Tree

Beginner % 0
46

Check if One Binary Tree is a Subtree of Another

Medium % 0
44

Inorder Successor in Binary Tree

Medium % 0
40

In a Binary Tree, Create Linked Lists of all the nodes at each depth

Hard % 0
39

Level Order Traversal, Print each level in separate line

Medium % 0

Construct a binary tree from given Inorder and Postorder Traversal

Calculate Vertical Sum in Binary Tree

Lowest Common Ancestor in a Binary Tree (Not Binary Search Tree).

Lowest Common Ancestor in a Binary Search Tree.

Make a Binary Tree from Given Inorder and Preorder Traversal

Given a binary tree, find out the maximum sum of value from root to each leaf

Reversing Alternate Levels in a Binary Tree

Transforming a Binary Tree into its Mirror Image

Printing Nodes without Siblings in a Binary Tree

Given a binary tree, Find the Maximum Path Sum between Any Two Leaves

In a Binary Tree, Check if Two nodes has the same parent or are siblings

Determine If Two Nodes are Cousins

Determine if Two BSTs are Identical

Generate All String Permutations

Sort an Array According to the Order Defined by Another Array

Sort an Array - odd numbers appear first in ascending order followed by the even numbers in descending order.

Maximum Width of a Binary Tree

Count occurrences of a number in a sorted array

Find Common Numbers in Three Sorted Arrays

Find the first repeated element in an array by its index

Find the Unreachable Minimum in Array Subsets

Find the Size of the Binary Tree

Check if One Binary Tree is a Subtree of Another

Inorder Successor in Binary Tree

In a Binary Tree, Create Linked Lists of all the nodes at each depth

Level Order Traversal, Print each level in separate line