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