P
puneet goel
STREAK
00/1477
days
Longest streak/Global longest streak
Language Used
C++, C
Coding Score
880
Problem Solved
315
Contest Rating
__
33 points
Contributor
33 points
Contributor
1 Point
Proficient
Proficient
100 Point
Scholar
Scholar
1k Point
Master
Master
10k Point
Ace
Ace
50k Point
0 submissions in current year
SCHOOL (0)
BASIC (24)
EASY (111)
MEDIUM (161)
HARD (19)
- String Ignorance
- Reverse a linked list
- Split a Linked List into two halves
- Delete in a Doubly Linked List
- Reverse a Doubly Linked List
- Selection Sort
- Insertion Sort
- Check for BST
- K distance from root
- Mirror Tree
- Maximum Width of Tree
- Height of Binary Tree
- Kth from End of Linked List
- Middle of a Linked List
- Check If Circular Linked List
- Intersection Sorted Linked Lists
- Find Transition Point
- Queue using two Stacks
- Remove Duplicates from a Sorted Linked List
- Stack using two queues
- Level Order in spiral form
- Reverse Level Order Traversal
- DFS of Graph
- Implement stack using array
- BFS of graph
- Root to leaf path sum
- Square Root
- Nodes without a Sibling
- Insertion at doubly linked list
- Run Length Encoding
- Match specific pattern
- You and your books
- Max distance between same elements
- Repetition of k length substring
- Delete in a Singly Linked List
- Max Level Sum in Binary Tree
- Special Stack
- String Modification
- Convert Ternary Expression to Binary Tree
- Intersection of Two Linked Lists
- Queue Reversal
- Reverse first K of a Queue
- Remove Half Nodes
- Height of Spiral Tree
- Sum of Leaf Nodes at Min Level
- Equilibrium Point
- Generate Binary Numbers
- Minimum Cost of ropes
- N meetings in one room
- Count number of hops
- Check Equal Arrays
- Roman Number to Integer
- Subarrays with given sum
- Pairs of equals Sum
- Common in 3 Sorted Arrays
- Good Pairs
- First Come First Serve
- Maximum no of 1's row
- Search in a Row-Column sorted matrix
- Pairs with difference k
- Pair with greatest product in array
- Drive the car
- Sum of length
- Bitonic Point
- Smallest subarray with sum greater than x
- Sort Array II
- Alternate Positive Negative
- Largest Even Number
- Nearest multiple of 10
- Two Sum - Pair with Given Sum
- Second most repeated string in a sequence
- Sort Unsorted Subarray
- The Even Array
- K-Pangrams
- Divisibility by 999
- Divisible by 8
- The Non-repetitive String
- Modify the Array
- Convert an array to reduced form
- String comparison
- Maximum difference Indexes
- Count subsets having distinct even numbers
- Make a Palindrome
- Charul and vessels
- Palindromic Series
- Print Bracket Number
- Minimal moves to form a string
- Partition a number into two divisible parts
- Replace a word
- Set Bits
- Nth Fibonacci Number
- Copy Set Bits in Range
- Shortest path from 1 to n
- N-divisors
- Withdrawing Money
- Nth item through sum
- Number Game
- Kth Prime Factor
- Magic numbers
- Repeating GCD
- Nikit's Problem
- Carry counter
- Print this pattern!
- Penalty Shooters
- Count ways to express N as the sum of 1,3 and 4
- Ordered Prime Signature
- Connell Sequence
- Sphenic Number
- LCS of '0' K Repeated String
- Prime number of set bits
- Chicks in a Zoo
- Longest Even Length Substring
- Sorting Elements of an Array by Frequency
- Rearrange characters
- Detect Loop in linked list
- Insert in Sorted Circular Linked List
- Count BST nodes that lie in a given range
- Merge Sort
- Delete without head pointer
- Intersection in Y Shaped Lists
- Sum Tree
- Connect Nodes of Levels
- Delete a node from BST
- Directed Graph Cycle
- Undirected Graph Cycle
- Maximum difference between node and its ancestor
- Two Stacks in an Array
- The Celebrity Problem
- Find the number of islands
- Gas Station
- Linked List to Binary Tree
- Check if subtree
- Extreme nodes in alternate order
- Remove loop in Linked List
- Dijkstra Algorithm
- Minimum Spanning Tree
- Largest BST
- Interleaved Strings
- Minimum Swaps to Sort
- Palindrome Linked List
- Rat in a Maze Problem - I
- Max sum subarray by removing at most one element
- Delete keys in a Linked list
- Minimum four sum subsequence
- Count distinct elements in every window
- Merge k Sorted Arrays
- Longest Palindrome in Linked List
- Bridge edge in a graph
- Print Nodes having K leaves
- Sort a stack
- Duplicate Subtree
- Top View of Binary Tree
- k-th Smallest in BST
- Peak element
- Polynomial Addition
- Merge Sort for Linked List
- Binary Tree to CDLL
- Pair Sum in BST
- Populate Inorder Successor for all nodes
- Counting elements in two arrays
- Linked List that is Sorted Alternatingly
- K Sum Paths
- Foldable Binary Tree
- Leftmost and rightmost nodes of binary tree
- Construct Tree from Inorder & Preorder
- Vertical sum
- Isomorphic Trees
- Leaves to DLL
- Construct Tree from Preorder Traversal
- Convert Level Order Traversal to BST
- Count Number of SubTrees
- C++ Friend function
- C++ Generic sort
- Power Of Numbers
- Stock buy and sell
- Kadane's Algorithm
- Count Inversions
- Unique BST's
- Distance of nearest cell having 1
- Unit Area of largest region of 1's
- Longest Consecutive Subsequence
- Strings Rotations of Each Other
- Case-specific Sorting of Strings
- Stock span problem
- K Sized Subarray Maximum
- Kth smallest element
- Combination Sum
- Unique Subsets
- Ways to Reach the n'th Stair
- Minimum number of jumps
- Longest Increasing Subsequence
- Sort according to an Array
- X Total Shapes
- Zero Sum Subarrays
- Rotten Oranges
- Overlapping Intervals
- Word Break
- Word Boggle
- 4 Sum - All Quadruples
- Excel Sheet | Part - 1
- Maximum Index
- Consecutive 1's not allowed
- Find Marks from Ranks
- Maximum Intervals Overlap
- Max absolute difference
- Efficiently sorting numbers in range from 0 to n^2 - 1
- Marks of PCM
- Water Collection
- Longest subarray with sum divisible by K
- Sort the given array after applying the given equation
- Row with max 1s
- Concatenation of Zig-Zag String in n Rows
- Design a tiny URL or URL shortener
- Form a palindrome
- Smallest subarray with all occurrences of a most frequent element
- Count the Reversals
- Cutting Binary String
- Sum of two large numbers
- Max Sum without Adjacents
- Equal 0, 1 and 2
- Length of the longest substring
- Smallest distinct window
- Look and Say Pattern
- Product Pair
- String formation from substring
- Longest substring with equal number of 0s and 1s
- First negative in every window of size k
- Find k-th character in string
- Maximum difference of zeros and ones in binary string
- Roll the characters of a String
- Check if any valid sequence is divisible by M
- Palindrome in Alphanumeric String
- Valid Substring
- Find patterns
- Permutations of a String
- Number following a pattern
- Subsequence matching
- Substring - Subsequence problem
- Special Numbers
- Subarrays Product Less than K
- Largest prime factor
- 3 Divisors
- Maximum Tip Calculator
- Distinct Transformations
- Coin Change (Count Ways)
- Count numbers with given sum
- Sieve of Eratosthenes
- Perfect Sum Problem
- Kth Smallest Factor
- Count ways to N'th Stair(Order does not matter)
- Find distinct elements
- Longest Bitonic subsequence
- Array Pair Sum Divisibility Problem
- Knight Walk
- Stepping Numbers
- Fraction to Repeating Decimal
- Next Permutation
- How Many X's?
- Maximize-GCD Increasing Sequence
- Preorder Traversal and BST
- Total Decoding Messages
- Stream First Non-repeating
- Segregate even and odd nodes in a Linked List
- Water Overflow
- Snake and Ladder Problem
- Replace O's with X's
- Check Mirror in N-ary tree
- Express as sum of power of natural numbers
- Nodes at even distance
- Count the paths
- Flood fill Algorithm
- Shortest Source to Destination Path
- Linked List Group Reverse
- Distinct occurrences
- Box Stacking
- Fixing Two nodes of a BST
- Max Path Sum 2 Special Nodes
- Trapping Rain Water
- Histogram Max Rectangular Area
- Max of min for every window size
- Find median in a stream
- Minimum Cost Path
- Ugly Numbers
- Search Pattern
- Longest Prefix Suffix
- Similar expressions
- Minimum sum partition
- Longest valid Parentheses
- Phone directory
- Closest Palindrome
- Maximum sum Rectangle
- Find Length of Linked List
- Queue using Linked List
- Sum Except First and Last
- Remainder with 7
- Linked List Insertion At End
- Circular Linked List Traversal
- Sorted Array Search
- Count pair sum
- Check if divisible by 11
- Check if divisible by 4
- Encrypt the string - 1
- Sum of distinct elements
- Extract the integers
- Remove Spaces
- Array Subset
- Smallest number repeating K times
- Betting game
- Factors Sum
- GCD of Array
- LCM And GCD
- Find The Sequence
- Find sum of even factors of a number
- GCD, LCM and Distributive Property
- Largest subarray with GCD one
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