# Status Problem Level Completes Likes 176 Reverse Alternate levels of a given Binary Tree. Medium % 0 177 Given a Sorted Singly Linked List Array, Convert it into a Balanced Binary search Tree. Medium % 1 178 Convert a Sorted Doubly Linked List to Balanced BST. Medium % 1 179 Given a binary tree, Find the Maximum Path Sum between Any Two Leaves Medium % 0 180 Print Left View of a given binary tree Medium % 0 181 Print Right View of a given binary tree Medium % 0 182 In a Binary Tree, Check if Two nodes has the same parent or are siblings Medium % 0 183 In a Binary Tree, Check if two nodes are Cousins Medium % 0 184 Print Paths from root to all leaf nodes in a binary tree. Medium % 0 185 Sort an Given Array in the order defined by another array Medium % 0 186 Sort an Array - odd numbers appear first in ascending order followed by the even numbers in descending order. Medium % 0 187 Print All Nodes Between Two Given Levels Medium % 0 188 Find the maximum width of a binary tree Medium % 0 189 Find the number of occurrences of a number in a given sorted array. Medium % 0 190 Find the first repeated element in an array by its index Medium % 0 191 Determine whether given binary tree is binary search tree(BST) or not Medium % 1 192 Given two binary trees, check if one binary tree is a subtree of another Medium % 0 193 Print a path from Root to Node in Binary Tree Medium % 0 194 Inorder Successor in Binary Tree Medium % 0 195 Sorted Array to Binary Search Tree of Minimal Height Medium % 1 196 Level Order Traversal, Print each level in separate line. Medium % 0 197 Find whether a Given Binary Tree is Balanced? Medium % 0 198 Get the Height of a Node in a Binary Tree Medium % 0 199 Add two numbers represented by a linked list, Numbers are Stored in FORWARD order Medium % 0 200 Add two numbers represented by a linked list, Numbers are Stored in REVERSE order Medium % 0 201 Reverse the binary representation of a number. Medium % 1 202 Reverse a Linked List - Part 2 Medium % 0 203 Swap Every Kth Node in a LinkedList Medium % 0 204 Replace all spaces in a String with '%20' Medium % 0 205 Find Intersection Point in Two Linked List Medium % 0 206 Find the Loop in a Linked list, find its length and Break the Loop Medium % 0 207 Count All Paths from Top left to bottom right in Two Dimensional Array including Diagonal Paths Medium % 1 208 Print All Paths from Top left to bottom right in Two Dimensional Array Medium % 0 209 Merge or Combine Two Sorted Linked Lists Medium % 0 210 Find The Longest Sequence Of Prefix Shared By All The Words In A String Medium % 0 Reverse Alternate levels of a given Binary Tree. Given a Sorted Singly Linked List Array, Convert it into a Balanced Binary search Tree. Convert a Sorted Doubly Linked List to Balanced BST. Given a binary tree, Find the Maximum Path Sum between Any Two Leaves Print Left View of a given binary tree Print Right View of a given binary tree In a Binary Tree, Check if Two nodes has the same parent or are siblings In a Binary Tree, Check if two nodes are Cousins Print Paths from root to all leaf nodes in a binary tree. Sort an Given Array in the order defined by another array Sort an Array - odd numbers appear first in ascending order followed by the even numbers in descending order. Print All Nodes Between Two Given Levels Find the maximum width of a binary tree Find the number of occurrences of a number in a given sorted array. Find the first repeated element in an array by its index Determine whether given binary tree is binary search tree(BST) or not Given two binary trees, check if one binary tree is a subtree of another Print a path from Root to Node in Binary Tree Inorder Successor in Binary Tree Sorted Array to Binary Search Tree of Minimal Height Level Order Traversal, Print each level in separate line. Find whether a Given Binary Tree is Balanced? Get the Height of a Node in a Binary Tree Add two numbers represented by a linked list, Numbers are Stored in FORWARD order Add two numbers represented by a linked list, Numbers are Stored in REVERSE order Reverse the binary representation of a number. Reverse a Linked List - Part 2 Swap Every Kth Node in a LinkedList Replace all spaces in a String with '%20' Find Intersection Point in Two Linked List Find the Loop in a Linked list, find its length and Break the Loop Count All Paths from Top left to bottom right in Two Dimensional Array including Diagonal Paths Print All Paths from Top left to bottom right in Two Dimensional Array Merge or Combine Two Sorted Linked Lists Find The Longest Sequence Of Prefix Shared By All The Words In A String 1 2 3 4 5 6 7
