Data Structure
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shashank mishra
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C, C++, Python
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540
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194
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SCHOOL (3)
BASIC (28)
EASY (62)
MEDIUM (90)
HARD (11)
- DELETED - Common elements in three arrays(error)
- Frequency in a Linked List
- Delete N nodes after M nodes of a linked list
- Pairwise swap elements of a linked list
- Power of 2
- Frequencies in a Limited Array
- Anagram
- Most Frequent Character
- Non Repeating Character
- Parenthesis Checker
- First Repeating Element
- Missing in Array
- Product array puzzle
- Adding One
- Missing And Repeating
- Maximum Gap
- Find Kth Rotation
- Next greater number set digits
- Move All Zeroes to End
- String Duplicates Removal
- Fascinating Number
- Bitonic Point
- Amend The Sentence
- Sort Array II
- Single Number
- Alternate Positive Negative
- Check if a given string is a rotation of a palindrome
- Remove Consecutive Characters
- Remove b and ac from a given string
- Kth distance
- Addition of submatrix
- Remove Duplicates
- Sum of two numbers represented as arrays
- Facing the sun
- Greater on right side
- Count Substrings
- Two Sum - Pair with Given Sum
- Convert an array to reduced form
- Pattern Searching
- Does robot moves circular
- Is Binary Number Multiple of 3
- Swap two nibbles in a byte
- Sum Of Digits
- Element that appears once where every element occurs twice
- Party of Couples
- Count Odd Factors
- Make Number Odd
- Exponentiation (Set 2)
- Reach the Nth point
- Minimum number of Coins
- Forming Rectangle
- Adjacents are not allowed
- Maximize Toys
- Rectangles in N*N Board
- Squares in N*N Chessboard
- Trailing zeroes in factorial
- Series GP
- Triangular Number
- Subarray with least average
- Next sparse binary number
- Print Pattern
- Print Diagonally
- Rotate Array
- Palindromic Array
- Bit Difference
- Number is sparse or not
- Binary String
- Sum of Array
- Searching in an Array
- Sort a String
- Maximum product of two numbers
- Value equal to index value
- Reverse sub array
- Sum of distinct elements
- Rock Paper Scissors!
- Remove Spaces
- GCD of Array
- Odd Divisors
- Strong Numbers
- Factorial
- Automorphic Number
- Sum of Digit is Palindrome or not
- Series AP
- Count zero
- Check if the number is Fibonacci
- Print the Kth Digit
- Repetitive Addition Of Digits
- Frobenius coin problem
- Finding Position
- 2's Complement
- Longest Even Length Substring
- Rank of Matrix
- Sorting Elements of an Array by Frequency
- Reverse alternate nodes in Link List
- Rotate a Linked List
- Sort a linked list of 0s, 1s and 2s
- Maximum Difference
- Count set bits
- Rearrange Array Alternately
- Rearrange an array with O(1) extra space
- Kadane's Algorithm
- Majority Element
- Count Inversions
- Indexes of Subarray Sum
- Count the number of possible triangles
- Boolean Matrix
- Spirally traversing a matrix
- Longest Consecutive Subsequence
- Case-specific Sorting of Strings
- K Sized Subarray Maximum
- Minimum Cost of ropes
- Minimum Platforms
- Ways to Reach the n'th Stair
- Egg Dropping Puzzle
- Minimum number of jumps
- Longest Increasing Subsequence
- Longest Common Subsequence
- Number of Unique Paths
- Sort according to an Array
- Overlapping Intervals
- Excel Sheet | Part - 1
- Sort 0s, 1s and 2s
- Maximum Index
- Equal Sum
- Large Factorial
- Longest Span in two Binary Arrays
- Sum of Middle elements of two sorted arrays
- Consecutive 1's not allowed
- Count Occurences of Anagrams
- Count of Subarrays
- Pythagorean Triplet
- Pair Sum Closest to 0
- Search in Rotated Sorted Array
- Sum of bit differences
- Form the Largest Number
- Water Collection
- Add Binary Strings
- Maximum Product Subarray
- Row with max 1s
- Column name from a given column number
- Concatenation of Zig-Zag String in n Rows
- Design a tiny URL or URL shortener
- Form a palindrome
- Rotate a Matrix
- Factorials of large numbers
- Maximum length Bitonic Subarray
- Length of the longest substring
- Longest substring with distinct characters
- Longest Palindrome in a String
- Minimum steps to get desired array
- String formation from substring
- Permutations of a String
- Subsequence matching
- Modular Exponentiation
- Max Sum Increasing Subsequence
- Coin Change (Count Ways)
- Count numbers with given sum
- Sieve of Eratosthenes
- Coin Change (Minimum Coins)
- Dice throw
- Dyck Path
- Count ways to N'th Stair(Order does not matter)
- nCr
- Maximum path sum in matrix
- Min Coin
- Count distinct pairs with difference k
- Dimensions of Rectangle
- Magic Triplets
- Prime Pair with Target Sum
- Count Numbers in Range
- Number of paths
- Number of paths in a matrix with k coins
- Return two prime numbers
- Sum of Query II
- Find Prime numbers in a range
- Next Permutation
- Rank The Permutations
- Smaller on Left
- Segregate even and odd nodes in a Linked List
- Largest square formed in a matrix