- Power of 2
- Sieve of Eratosthenes
- Count possible triangles
- Dice throw
- Rotate Array by n elements
- Permutations of a given string
- Missing number in array
- Array of alternate +ve and -ve no.s
- Swap two nibbles in a byte
- Maximum product of two numbers
- Value equal to index value
- Number of paths
- Boolean Matrix Problem
- Count total set bits
- Number is sparse or not
- Bit Difference
- Reverse sub array
- Count zero
- Max Sum without Adjacents
- Remove character
- Number of occurrence
- k largest elements
- Pairs of prime number
- Minimum difference pair
- Leaders in an array
- Possible groups
- Ways To Tile A Floor
- Generate Binary Numbers
- Find the Odd Occurence
- Angle between hour and minute hand
- Keypad typing
- Minimize string value
- Chocolate Distribution Problem
- Check if a number can be expressed as x^y
- Find first and last occurrence of x
- Unique Numbers
- Find first set bit
- Geek and Coffee Shop
- Index of first 1 in a sorted array of 0’s and 1’s
- Fill array with 1's
- Uncommon characters
- Four Elements
- Count the elements
- Check set bits
- Twice counter
- Count triplets with sum smaller than X
- Total number of Strings
- Find the Highest number
- Positive and negative elements
- Left Rotate Matrix K times
- Find k-th character in string
- Finding middle element in a linked list
- Find n/k th node in Linked list
- Insert in Middle of Linked List

Name

Institution

Coding Score

616

Problems Solved

245

Overall Rank: 503

Monthly Rank: 44100

Weekly Rank: 156759

- Rotation
- Search in a Rotated Array
- Parenthesis Checker
- Magic Number
- Maximize Number of 1's
- Non Repeating Character
- Sum of Middle Elements of two sorted arrays
- Reverse words in a given string
- Pythagorean Triplet
- Count Substrings
- Move all zeroes to end of array
- Majority Element
- Spirally traversing a matrix
- Sort an array of 0s, 1s and 2s
- Subset Sum Problem
- Two numbers with sum closest to zero
- Number of Coins
- Finding Number
- Stock buy and sell
- Maximum value in a bitonic array
- Number of paths in a matrix with k coins
- Next greater number set digits
- Possible words from Phone digits
- Finding Position
- Jumping Numbers
- Next sparse binary number
- Amount of Water
- Single Number
- Segregate even and odd nodes in a Linked List
- Does robot moves circular
- Element that appears once where every element occurs twice
- Longest Distinct characters in string
- Replace by X
- Is Square
- Column name from a given column number
- Maximum Product Subarray
- N meetings in one room
- Maximum of all subarrays of size k
- Row with max 1s
- Kth distance
- Addition of submatrix
- Maximum sum increasing subsequence
- Array to BST
- Sum of two numbers represented as arrays
- Facing the sun
- Greater on right side
- Convert array into Zig-Zag fashion
- Key Pair
- Inversion of array
- Product array puzzle
- Reverse Bits
- Reach the Nth point
- Subarray with given sum
- Adjacents are not allowed
- Maximum repeating number
- Swap all odd and even bits
- Count number of hops
- Save Knights
- Three Great Candidates
- Minimum element in a sorted and rotated array
- Number of 1's in smallest repunits
- 0 - 1 Knapsack Problem
- Valid Substring
- Digit multiplier
- Next larger element
- Permutation with Spaces
- Equilibrium point
- Floor in a Sorted Array
- Max value
- Flip Bits
- Finding the numbers
- Reverse each word in a given string
- Knapsack with Duplicate Items
- Decode the pattern
- Roman Number to Integer
- Game of XOR
- Equal point in a string of brackets
- Find all pairs with a given sum
- Palindromic patitioning
- Numbers with same first and last digit
- Find the element that appears once in sorted array
- Smallest window in a string containing all the characters of another string
- Longest Palindromic Subsequence
- K-th element of two sorted Arrays
- Element with left side smaller and right side greater
- Smallest Positive missing number
- Extract Maximum
- Game with String
- Group Anagrams Together
- Sum equals to Sum
- Top k numbers in a stream
- Second most repeated string in a sequence
- Rotten Oranges
- Number of Groups
- Stickler Thief
- Even and odd elements at even and odd positions
- Sum of Lengths of Non-Overlapping SubArrays
- Chocolate Station
- Common Subsequence
- Star elements
- Reverse a linked list
- Rotate a Linked List
- Detect Loop in linked list
- Queue using two Stacks
- Stack using two queues
- Boundary Traversal of binary tree
- Print a Binary Tree in Vertical Order

- Coin Change
- Kadane's Algorithm
- Wave Array
- Overlapping Intervals
- Binary String
- Next Permutation
- Longest Increasing Subsequence
- Longest Common Subsequence
- Minimum number of jumps
- Count ways to reach the n’th stair
- Count ways to N'th Stair(Order does not matter)
- Egg Dropping Puzzle
- Count of n digit numbers whose sum of digits equals to given sum
- Edit Distance
- Maximum Rectangular Area in a Histogram
- Consecutive 1's not allowed
- Next Smallest Palindrome
- Path in Matrix
- Trapping Rain Water
- String formation from substring
- Minimum Platforms
- Number following a pattern
- Longest Palindrome in a String
- Relative Sorting
- Remove minimum elements
- Largest square formed in a matrix
- Nuts and Bolts Problem
- Rotate a 2D array without using extra space
- Special Keyboard
- Number of ways
- Minimum Cost of ropes
- Sum of Query II
- Form a palindrome
- Preorder to Postorder
- Length of the longest substring
- Longest consecutive subsequence
- Handshakes
- Tic-Tac-Toe
- Betting game
- Is Binary Number Multiple of 3
- Triplet Sum in Array
- Max possible amount
- Total Decoding Messages
- Unique BST's
- Subsets
- Combination Sum
- Combination Sum - Part 2
- Longest Prefix Suffix
- Hamiltonian Path
- Snake and Ladder Problem
- Is Sudoku Valid
- Find whether path exist
- Check Mirror in N-ary tree
- Length of largest region of 1's
- Rearrange characters
- First non-repeating character in a stream
- Count subsequences of type a^i b^j c^k
- Stepping Numbers
- Water Overflow
- Smallest distinct window
- Huffman Encoding
- Maximum sum Rectangle
- Probability of Knight
- Brackets in Matrix Chain Multiplication
- Matrix Chain Multiplication
- Check for BST
- Bottom View of Binary Tree
- Remove loop in Linked List