- Binary String
- Series GP
- Sort The Array
- Nth Fibonacci Number
- Sort a String
- Majority Element
- Shortest path from 1 to n
- Dice throw
- Permutations of a given string
- Missing number in array
- Ways To Tile A Floor
- Find the Odd Occurence
- Help the Old Man!!!
- Sort in specific order
- Check if string is rotated by two places
- Does array represent Heap
- Find the element that appears once in sorted array
- Check set bits
- Print first n Fibonacci Numbers
- Check perfect square
- Odd to Even
- Part Sort
- Remove common characters and concatenate
- Find the fine
- Sandwiched_Vowels
- Most frequent word in an array of strings
- Check if strings are rotations of each other or not
- Strange Sort - copy
- Print Linked List elements
- Count nodes of linked list
- Node at a given index in linked list
- Power of Four
- Delete node in Doubly Linked List
- Size of Binary Tree
- Inorder Traversal
- Bubble Sort
- Count Leaves in Binary Tree
- Height of Binary Tree
- Finding middle element in a linked list
- Postorder Traversal
- Implement stack using array
- Implement Queue using Linked List
- Doubly linked list Insertion
- Preorder Traversal
- Implement strstr
- Search a node in BST
- C++ STL | Set 8 (unordered set)
- Remainder with 7
- Implement Atoi
- Find Number of Numbers
- Linked List Insertion
- Minimum element in BST
- Linked List Length Even or Odd?
- Delete Alternate Nodes
- Identical Linked Lists
- Find the Sum of Last N nodes of the Linked List
- longest substring containing '1'
- Count Non-Leaf Nodes in Tree
- Start Coding

Name

Sirjanpreet Singh Banga

Institution

Rank in Institute

#114

Courses Attended

Campus Ambassador

Overall Coding Score: 763

Monthly Coding Score: 0

Weekly Coding Score: 0

- Frequencies of Limited Range Array Elements
- Anagram
- Wave Array
- Maximum Gap
- Print Pattern
- Rotation
- Trailing zeroes in factorial
- Non Repeating Character
- Reverse words in a given string
- Isomorphic Strings
- Spirally traversing a matrix
- Sort an array of 0s, 1s and 2s
- Two numbers with sum closest to zero
- Finding Number
- Segregate even and odd nodes in a Linked List
- Longest Distinct characters in string
- Remove Duplicates
- Maximum sum increasing subsequence
- Array to BST
- Max Sum without Adjacents
- Key Pair
- Maximum Difference
- Subarray with given sum
- Leaders in an array
- Count number of hops
- Inorder Traversal and BST
- Triplet Sum in Array
- Dearrangement of balls
- Reach a given score
- Rectangles in a Circle
- Possible paths
- Day of the week
- 0 - 1 Knapsack Problem
- Valid Substring
- Count the Reversals
- Tom and Jerry
- Equilibrium point
- Floor in a Sorted Array
- Flip Bits
- Finding the numbers
- Pairs with specific difference
- Maximum Sum Bitonic Subsequence
- Roman Number to Integer
- Drive the car
- Friends Pairing Problem
- Minimum Operations
- Find all pairs with a given sum
- Largest zigzag sequence
- Longest Palindromic Subsequence
- Evaluation of Postfix Expression
- Rod Cutting
- Element with left side smaller and right side greater
- Sequence of Sequence
- Get Minimum Squares
- Count all possible paths from top left to bottom right
- Shortest Common Supersequence
- Mr. Modulo and Arrays
- Minimum number of deletions and insertions.
- Bitonic Generator Sort
- Count of strings that can be formed using a, b and c under given constraints
- Consecutive Array Elements
- Stickler Thief
- k-th smallest number using digits of a given number
- Even and odd elements at even and odd positions
- Maximum number of zeroes
- Merging two unsorted arrays in sorted order
- Transform the array
- Find maximum number
- Mersenne Prime
- Pairs with Positive Negative values
- Maximum prefix sum for a given range
- Numbers containing 1, 2 and 3
- Equal Sums
- Ease the Array
- Maximum number of partitions that can be sorted individually to make sorted
- Akku and Binary Numbers
- K-th missing element
- The Destructive Bomb
- The Diwali Treat
- SPP - Palindrome Family
- SP - K
^{th}largest and smallest - Reverse a linked list
- Occurence of an integer in a Linked List
- Delete N nodes after M nodes of a linked list
- Rotate a Linked List
- Pairwise swap elements of a linked list
- Given a linked list of 0s, 1s and 2s, sort it.
- Add two numbers represented by linked lists
- Add 1 to a number represented as linked list
- linked list of strings forms a palindrome
- Compare two linked lists
- Merge 2 sorted linked list in reverse order
- Linked List in Zig-Zag fashion
- Detect Loop in linked list
- Remove duplicates from an unsorted linked list
- Merge Sort
- Quick Sort
- Right View of Binary Tree
- K distance from root
- Mirror Tree
- Two Mirror Trees
- Maximum Width of Tree
- Diameter of Binary Tree
- Check for Balanced Tree
- Heap Sort
- Nth node from end of linked list
- Left View of Binary Tree
- Merge two sorted linked lists
- Sum Tree
- Transform to Sum Tree
- Intersection of two sorted Linked lists
- Remove duplicate element from sorted Linked List
- Level order traversal in spiral form
- Reverse Level Order Traversal
- DFS of Graph
- Reverse alternate levels of a perfect binary tree
- Insert a node in a BST
- Lowest Common Ancestor in a Binary Tree
- Determine if Two Trees are Identical
- Root to leaf path sum
- Print all nodes that don't have sibling
- Postorder traversal from given Inorder and Preorder traversals
- Absolute List Sorting
- Lowest Common Ancestor in a BST
- Level order traversal Line by Line
- Print BST elements in given range
- Minimum Depth of a Binary Tree
- Odd even level difference
- Binary Tree to BST
- Leaf at same level
- Is Binary Tree Heap
- Validate an IP Address
- Check if Linked List is Palindrome
- Delete a Node in Single Linked List
- Kth largest element in BST
- Max Level Sum in Binary Tree
- Special Stack
- Root to leaf paths sum
- Sort a stack
- Longest consecutive sequence in Binary tree
- Print Common Nodes in BST
- Level order traversal
- Peak element
- Delete nodes greater than k
- Index Of an Extra Element
- Merge Sort for Linked List
- Sum of given range
- Convert Ternary Expression to Binary Tree
- Insert in a Sorted List
- Ancestors in Binary Tree
- Level of a Node in Binary Tree
- Root to Leaf Paths
- Maximum path sum
- Counting Sort
- Max and min element in Binary Tree
- Reverse a string using Stack
- XOR of a given range
- Symmetric Tree
- Construct Tree from Inorder & Preorder
- Vertical sum
- Count Pairs whose sum is equal to X
- Check if Tree is Isomorphic
- Predecessor and Successor
- Children Sum Parent
- Diagonal Sum In Binary Tree
- Find length of Loop
- Sum of Leaf Nodes at Min Level
- Tilt of Binary Tree

- Coin Change
- Kadane's Algorithm
- Longest Increasing Subsequence
- Parenthesis Checker
- Longest Common Subsequence
- Minimum number of jumps
- Count ways to reach the n'th stair
- Egg Dropping Puzzle
- Count of n digit numbers whose sum of digits equals to given sum
- Edit Distance
- Consecutive 1's not allowed
- Path in Matrix
- Trapping Rain Water
- Case-specific Sorting of Strings
- Subset Sum Problem
- Largest Number formed from an Array
- Modular Exponentiation for large numbers
- Relative Sorting
- Maximum of all subarrays of size k
- Row with max 1s
- Sorting Elements of an Array by Frequency
- Number of ways
- Form a palindrome
- Length of the longest substring
- Longest consecutive subsequence
- Stock span problem
- Preorder Traversal and BST
- Nodes at even distance
- Next larger element
- X Total Shapes
- Total Decoding Messages
- Word Break
- Kth smallest element
- Longest Common Substring
- Recursively remove all adjacent duplicates
- Find all four sum numbers
- K
^{th}largest element in a stream - Smallest distinct window
- Infix to Postfix
- Geek collects the balls
- Smallest Positive missing number
- Longest Bitonic subsequence
- Maximum Intervals Overlap
- Perfect Sum Problem
- Longest Path in a matrix
- Probability of Knight
- Nitika and her queries
- Geek and Strings
- The Painter's Partition Problem
- Make ‘em Equal
- SPP - Special Subsequences
- SPP - The Placement Tour
- SP - Meld Game
- Reverse a Linked List in groups of given size.
- Delete nodes having greater value on right
- Count BST nodes that lie in a given range
- Check for BST
- Tree from Postorder and Inorder
- Bottom View of Binary Tree
- Delete without head pointer
- Intersection Point in Y Shapped Linked Lists
- Add all greater values to every node in a BST
- Construct Binary Tree from Parent Array
- Connect Nodes at Same Level
- Flattening a Linked List
- Diagonal Traversal of Binary Tree
- Boundary Traversal of binary tree
- Delete a node from BST
- Maximum difference between node and its ancestor
- Range Minimum Query
- The Celebrity Problem
- Print a Binary Tree in Vertical Order
- Find the number of islands
- Make Binary Tree From Linked List
- Check if subtree
- Remove loop in Linked List
- Largest BST
- Box Stacking
- Multiply two strings
- Find the Closest Element in BST
- Merge two BST 's
- Print Nodes having K leaves
- Top View of Binary Tree
- k-th smallest element in BST
- Find a pair with given target in BST
- Complete Binary Tree
- Populate Inorder Successor for all nodes
- Range LCM Queries
- K-Sum Paths
- Foldable Binary Tree
- Leftmost and rightmost nodes of binary tree
- Construct tree from Inorder and LevelOrder
- Node at distance
- Pairs violating BST property
- Construct Tree from Preorder Traversal
- Count Number of SubTrees having given Sum