# Status Problem Level Completes Likes 106 Implement Stack Using Linked List Beginner % 0 107 Reverse Alternative 'k' nodes in a Linked List. Medium % 0 108 Reverse a Linked List in groups of given size 'K' Medium % 0 109 Find the Kth Smallest/Largest Element in an Array Beginner % 0 110 Dynamic Programming - Stairs Climbing Puzzle Beginner % 1 111 Find a Number occurring odd number of times in a Given array Beginner % 1 112 Rearrange the Array of Given Range N, such that A[i]=i Medium % 0 113 Find a Missing Number From a Sequence of Consecutive Numbers | XOR Method Beginner % 1 114 Find the Max element in a Given Binary Tree Beginner % 0 115 Find the Deepest Node in a Binary Tree. Medium % 1 116 Find numbers that are palindrome in the decimal and octal Representations Beginner % 0 117 Find the Increasing Triplet Sub-sequence in an array Medium % 0 118 Convert Decimal into Irreducible Fraction Beginner % 0 119 Generate All Strings of n bits. Medium % 1 120 Find The Missing Duplicate in a Given Array. Beginner % 1 121 Delete X Nodes After Y Nodes In a Linked List Beginner % 0 122 Check if Array Contains All Elements Of Some Given Range Medium % 0 123 Check if Array is Consecutive Integers Beginner % 0 124 Find the subarray with sum to a Given Value. Medium % 0 125 Find intersection between Two Sorted Arrays. Beginner % 0 126 Print All The Nodes Which are X distance from the Given Node Hard % 0 127 Inorder Successor in Binary Tree Medium % 0 128 Sorted Array to Binary Search Tree of Minimal Height Medium % 1 129 Get the Height of a Node in a Binary Tree Medium % 0 130 Reverse the binary representation of a number. Medium % 1 131 Delete a Node in the Middle of a linked list, Given only access to that Node Beginner % 0 132 Find the n'th Node from the end of a given Linked List Beginner % 0 133 Check if one string is Rotation of another string Beginner % 1 134 Reverse a Linked List Beginner % 0 135 Print All Elements of Two Dimensional Array in Spiral Medium % 0 136 Valid or Well Formed Parentheses | Part - 1 Medium % 0 137 Find an Element in 2 dimensional sorted array Medium % 0 138 Find Whether Given String is palindrome or Not. Beginner % 0 139 Find two Missing Numbers in a Sequence of Consecutive Numbers Beginner % 0 140 Find a Missing Number From a Sequence of Consecutive Numbers Beginner % 0 Implement Stack Using Linked List Reverse Alternative 'k' nodes in a Linked List. Reverse a Linked List in groups of given size 'K' Find the Kth Smallest/Largest Element in an Array Dynamic Programming - Stairs Climbing Puzzle Find a Number occurring odd number of times in a Given array Rearrange the Array of Given Range N, such that A[i]=i Find a Missing Number From a Sequence of Consecutive Numbers | XOR Method Find the Max element in a Given Binary Tree Find the Deepest Node in a Binary Tree. Find numbers that are palindrome in the decimal and octal Representations Find the Increasing Triplet Sub-sequence in an array Convert Decimal into Irreducible Fraction Generate All Strings of n bits. Find The Missing Duplicate in a Given Array. Delete X Nodes After Y Nodes In a Linked List Check if Array Contains All Elements Of Some Given Range Check if Array is Consecutive Integers Find the subarray with sum to a Given Value. Find intersection between Two Sorted Arrays. Print All The Nodes Which are X distance from the Given Node Inorder Successor in Binary Tree Sorted Array to Binary Search Tree of Minimal Height Get the Height of a Node in a Binary Tree Reverse the binary representation of a number. Delete a Node in the Middle of a linked list, Given only access to that Node Find the n'th Node from the end of a given Linked List Check if one string is Rotation of another string Reverse a Linked List Print All Elements of Two Dimensional Array in Spiral Valid or Well Formed Parentheses | Part - 1 Find an Element in 2 dimensional sorted array Find Whether Given String is palindrome or Not. Find two Missing Numbers in a Sequence of Consecutive Numbers Find a Missing Number From a Sequence of Consecutive Numbers 1 2 3 4
