Sign In
Profile
Articles
group
Community
people_outline
Campus Ambassadors
Uncover Diverse Options in Colleges and Companies
View Colleges
View Companies
close
Sort by:
relevance
date
My Profile
My Courses
Go Premium
Edit profile
settings
Account Settings
Logout
menu
Sign In
×
Sign In
Sign Up
account_circle
lock
Remember me
Forgot Password
Sign In
email
lock
business
Sign Up
or
Google
Facebook
LinkedIn
GitHub
Why Create an Account?
By creating this account, you agree to our
Privacy Policy
&
Cookie Policy
.
Please enter your email address or userHandle.
account_circle
Back to Login
Reset Password
person_outline
Profile
description
Articles
people_outline
Campus Ambassadors
Uncover Diverse Options in Colleges and Companies
View Colleges
View Companies
pardeep2071996
Follow
462
Rank
Current POTD Streak
STREAK
00
/970
days
Institution
Delhi Technological University (DTU)
Language Used
C++, Java
Overall Coding Score
929
Total Problem Solved
401
Monthly Coding Score
_ _
Contributor
Contributor
1 Point
Proficient
Proficient
100 Point
Scholar
Scholar
1k Point
Master
Master
10k Point
Ace
Ace
50k Point
Find Your Place Among the Best
Explore Our Badge Program and Start Writing.
Start writing
How Badges Work
SCHOOL (10)
BASIC (63)
EASY (146)
MEDIUM (164)
HARD (18)
Reverse digits
Sum of Digit is Pallindrome or not
Value equal to index value
Palindrome
Multiply Array
Check for Binary
Print 1 to n without using loops
Maximum and Minimum Of Array Elements
Reverse an Array
Sum of Array Elements
Implement stack using array
Shortest direction
Doubling the value
Print the Kth Digit
Reverse array in groups
Index of first 1 in a sorted array of 0s and 1s
Thief trying to escape
Binary Search
Fighting the darkness
Interesting Patterns
Binary number to decimal number
Minimize string value
Check set bits
Check if given four points form a square
Keypad typing
Angle between hour and minute hand
Student record
Remove character
Finding Position
URLify a given string
Extract Maximum
Count numbers containing 4
Last index of One
Preorder Traversal
Postorder Traversal
Count Leaves in Binary Tree
Inorder Traversal
Size of Binary Tree
Greater on right side
Betting game
Maximum repeating number
Swap two nibbles in a byte
Power of 2
Substrings with same first and last characters
Binary String
Type of array
Rotate Array
Maximum product of two numbers
Bit Difference
Reverse sub array
Count zero
Pairs of prime number
Minimum difference pair
Exceptionally odd
Ways To Tile A Floor
Check if a number can be expressed as x^y
Immediate Smaller Element
Rotating an Array
Professor and Parties
Replace all 0's with 5
Sum of divisors
Print Linked List elements
Count nodes of linked list
Delete node in Doubly Linked List
Check If Circular Linked List
Implement Stack using Linked List
Implement Queue using Linked List
Doubly linked list Insertion at given position
Implement strstr
Search an Element in an array
Replace all 0's with 5
Largest product
Third largest element
Finding middle element in a linked list
Longest Distinct characters in string
nextLine and next
Learn to Comment - Java
Taking input - Java
Data Types - Java
The New Line - Java
Start Coding - Java
Count ways to N'th Stair
Delete without head pointer
Min Heap implementation
Pairs with Positive Negative values
Search in a matrix
BFS of graph
DFS of Graph
Transform the array
Reverse Level Order Traversal
Print BST elements in given range
Check for BST
Left View of Binary Tree
Queue using two Stacks
Element with left side smaller and right side greater
Maximum Width of Tree
Expression Tree
Delete Middle of Linked List
Find first set bit
Reverse a linked list
Reverse words in a given string
Parenthesis Checker
Chocolate Distribution Problem
Leaders in an array
Equilibrium Point
Missing number in array
Sum equals to Sum
Count the elements
Second most repeated string in a sequence
Twice Counter
Insertion Sort
Bubble Sort
Does array represent Heap
Remove duplicate element from sorted Linked List
Pangram Strings
Number of 1 Bits
Sort the given array after applying the given equation
Inverted triangle of stars
Copy Set Bits in Range
Amend The Sentence
Pairs with difference k
Minimum element in a sorted and rotated array
Overlapping rectangles
Three Great Candidates
Save Knights
Is Binary Number Multiple of 3
Product array puzzle
Convert array into Zig-Zag fashion
N meetings in one room
Is Square
Replace by X
Element that appears once where every element occurs twice
Single Number
Next greater number set digits
Rotation
Reach a given score
Count all possible paths from top left to bottom right
Cut rope to maximise product
Pascal Triangle
Common elements
Fill array with 1's
Intersection of Two Linked Lists
Adjacents are not allowed
Check if all leaves are at same level
Level order traversal
Reverse alternate levels of a perfect binary tree
Postorder traversal from given Inorder and Preorder traversals
Mirror Tree
Count BST nodes that lie in a given range
Numbers with same first and last digit
Inorder Successor in BST
Index Of an Extra Element
Remove every kth node
Binary Tree to BST
Odd even level difference
Bitonic Point
Kth distance
Addition of submatrix
Sum of two numbers represented as arrays
Facing the sun
Minimum Cost of ropes
Key Pair
Reverse Bits
Finding Number
Count number of hops
Check if string is rotated by two places
Does robot moves circular
Level order traversal Line by Line
Sum of all prime numbers between 1 and N.
Binary Tree K level sum
1[0]1 Pattern Count
Implement two stacks in an array
Move all zeroes to end of array
Count Substrings
Exit Point in a Matrix
Non Repeating Character
Magic Number
Run Length Encoding
Determine if Two Trees are Identical
Lowest Common Ancestor in a BST
Insert a node in a BST
Root to leaf path sum
Find Transition Point
Level order traversal in spiral form
Stack using two queues
Intersection of two sorted Linked lists
Minimum Depth of a Binary Tree
Wave Array
Transform to Sum Tree
Nth node from end of linked list
Check for Balanced Tree
K distance from root
Right View of Binary Tree
Kth largest element in BST
Root to leaf paths sum
Max Level Sum in Binary Tree
Reach the Nth point
Delete nodes having greater value on right
Detect Loop in linked list
Floor in a Sorted Array
Left most and right most index
Max value
Given a linked list of 0s, 1s and 2s, sort it.
Pairwise swap elements of a linked list
Delete N nodes after M nodes of a linked list
Alternate positive and negative numbers
Square root of a number
Two Mirror Trees
Height of Binary Tree
Print all nodes that don't have sibling
Equilibrium index of an array
Generate Binary Numbers
Print all possible strings
Second Largest
Product Pair
Remove duplicate elements from sorted Array
Print Pattern
Adding One
Frequencies of Limited Range Array Elements
Stickler Thief
Reverse a Linked List in groups of given size
Maximum Intervals Overlap
Preorder Traversal and BST
Foldable Binary Tree
Find whether path exist
Topological sort
Detect cycle in a directed graph
Bipartite Graph
Count triplets with sum smaller than X
Flip Bits
Flattening a Linked List
First non-repeating character in a stream
Detect cycle in an undirected graph
Maximum of all subarrays of size k
Search in a Rotated Array
Vertical Traversal of Binary Tree
Swapping pairs make sum equal
Largest subarray with 0 sum
Special Keyboard
Number of paths
Heap Sort
Next Greater Element
Stock buy and sell
Consecutive 1's not allowed
Connect Nodes at Same Level
Rat in a Maze Problem - I
Merge two sorted linked lists
K-th element of two Arrays
Gold Mine Problem
Possible Words From Phone Digits
0 - 1 Knapsack Problem
Count Inversions
Rotate a Linked List
Longest Palindrome in a String
Permutations of a given string
Minimum number of jumps
Longest Common Subsequence
Longest Increasing Subsequence
Pythagorean Triplet
Trapping Rain Water
Maximum sum increasing subsequence
Sort an array of 0s, 1s and 2s
Find Indexes of a subarray with given sum
Kadane's Algorithm
Kth largest element in a stream
Kth smallest element
Merge Sort
Spirally traversing a matrix
Nuts and Bolts Problem
Construct Binary Tree from Parent Array
Combination Sum - Part 2
Unique Subsets
Total Decoding Messages
Integer to Words
Sort an array according to the other
Maximum Product Subarray
Segregate even and odd nodes in a Linked List
Water Collection
Jumping Numbers
Sum of two elements with sum nearest to zero
Equal Sum Partition
String formation from substring
Sum of Middle Elements of two sorted arrays
Overlapping Intervals
Palindromic Strings
Shortest Common Supersequence
Rod Cutting
Jumbled Strings
Leftmost and rightmost nodes of binary tree
Root to Leaf Paths
Find a pair with given target in BST
Mobile numeric keypad
Excel Sheet | Part - 1
Number of paths in a matrix with k coins
Top View of Binary Tree
k-th smallest element in BST
Peak element
Polynomial Addition
Union of Two Linked Lists
Check whether BST contains Dead End
Clone a Binary Tree
Is Binary Tree Heap
Extreme nodes in alternate order
Check if subtree
Construct Binary Tree from Inorder and Postorder
Number following a pattern
Longest Palindromic Subsequence
Sum of Query I
Count of Subarrays
Min Coin
nCr
Number of Unique Paths
Coin Change
Find Common Nodes in two BSTs
Make Binary Tree From Linked List
Circular tour
Serialize and deserialize a binary tree
Get minimum element from stack
Find kth element of spiral matrix
Find the number of islands
Row with max 1s
Rotate a 2D array without using extra space
Array to BST
Number of ways
Sum of Query II
Preorder to PostOrder
Longest consecutive subsequence
Dice throw
Count the number of possible triangles
Boolean Matrix
Handshakes
Largest square formed in a matrix
Combination Sum
Is Sudoku Valid
Stepping Numbers
Column name from a given column number
Permutation with Spaces
Triplet Sum in Array
Majority Element
Max possible amount
Maximum path sum in matrix
Max length chain
Absolute List Sorting
Maximum difference between node and its ancestor
Min distance between two given nodes of a Binary Tree
Lowest Common Ancestor in a Binary Tree
Delete a node from BST
Diagonal Traversal of Binary Tree
Print leaf nodes from preorder traversal of BST
Count ways to N'th Stair(Order does not matter)
Count ways to reach the n'th stair
Next Permutation
Maximum Index
Sum Tree
Add all greater values to every node in a BST
Intersection Point in Y Shaped Linked Lists
Diameter of a Binary Tree
Bottom View of Binary Tree
Sorted insert for circular linked list
Find triplets with zero sum
Friends Pairing Problem
Number of root to leaf paths
Find the Closest Element in BST
Unique BST's
Rearrange a linked list
Delete keys in a Linked list
Sort a stack
Unit Area of largest region of 1's
Game of XOR
Add two numbers represented by linked lists
Non Repeating Numbers
Look and Say Pattern
Sorted subsequence of size 3
Count total set bits
Max Sum without Adjacents
Count of AP Subsequences
Number of occurrence
k largest elements
Possible groups
Implement Atoi
Check if Linked List is Palindrome
Remove loop in Linked List
Max sum in the configuration
Form a palindrome
N-Queen Problem
Minimum Cost Path
Solve the Sudoku
Find median in a stream
Edit Distance
Distinct palindromic substrings
Merge Without Extra Space
Boolean Parenthesization
Next Smallest Palindrome
Fixing Two nodes of a BST
Clone a linked list with next and random pointer
Minimum Points To Reach Destination
Merge two BST 's
Wildcard Pattern Matching
Maximum Rectangular Area in a Histogram
Binary Tree to DLL
Reorder List