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

Question Type Level Solve
Write a function to add a node with value 4 to the end of given linked list? Data Structures Medium Solve
Write a function to add a node with value 10 to the start of given linked list? Data Structures Medium Solve
Write a function that removes the tail node of the given linked list? Data Structures Medium Solve
Write a function that sums the values of given linked list? Data Structures Medium Solve
Write a function to find the value of middle node of the given linked list? Data Structures Medium Solve
Write a function to delete the middle node of the given linked list? Data Structures Medium 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 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