Easy 2 point Medium 4 points Hard 6 points Ninja 10 points

Question Type Level Solve
Write a function to reverse the given linked list? Data Structures Hard Solve
Write a function to remove duplicates in the given linked list? Data Structures Hard Solve
Write a function that counts the number of nodes in given binary tree? Data Structures Medium Solve
Write a function that counts the number of leaf nodes of the given binary tree? Data Structures Medium Solve
Write a function to find the height of the given binary tree? Data Structures Hard Solve
Write a function that returns pre order traversal list of node values? Data Structures Medium Solve
Write a function that returns in order traversal list of node values? Data Structures Medium Solve
Write a function that returns post order traversal list of node values? Data Structures Medium Solve
Write a function that checks whether the given binary tree is a binary search tree? Data Structures Hard Solve
Write a function to check whether the given binary tree has the given value node? Data Structures Medium Solve