Heman yadav

[Heman yadav @hemanyadav2005]

Day 20/100 of #100DaysOfCode

- Problem Solved: 145. Binary Tree Postorder Traversal, 94. Binary Tree Inorder Traversal and 144. Binary Tree Preorder Traversal
- Topic Covered: Binary Tree
- Approach: using Recursion
#Leetcode #DSA #Cpp #ProblemSolving #computerScience

[Heman yadav @hemanyadav2005]

Day 19/100 of #100DaysOfCode

- Problem solved: 328. Odd Even Linked List
- Topic Covered: LinkedList
- Topic Learned: Binary Tree
- Approach: 2 pointer technique

#Leetcode #DSA #Cpp #CodingJourney #ProblemSolving

[Heman yadav @hemanyadav2005]

Day 18/100 of #100DaysOfCode

- Problem Solved: 160. Intersection of Two Linked Lists
- Topic Covered: LinkedList
- Approach: 2 pointer

#Leetcode #DSA #Cpp #CodingJourney

[Heman yadav @hemanyadav2005]

Day 17/100 of #100DaysOfCode

- Problem Solved: 19. Remove Nth Node From End of List
- Topic covered: LinkedList
- Approach: First I found the node to be deleted from beginning and then the problem becomes delete kth node from beginning and then I solve it.

#Leetcode #DSA #Cpp

[Heman yadav @hemanyadav2005]

Day 16/100 of #100DaysOfCode

- Problem Solved: 142. Linked List Cycle II
- Topic Covered: LinkedList
- Approach: Use unordered map to keep track of LL elements and when a repeated element found return that element

#Leetcode #DSA #Cpp #CodingJourney #Programming

[Heman yadav @hemanyadav2005]

Day 15/100 of #100DaysOfCode

- Problem Solved: 237. Delete Node in a Linked List
- Topic Covered: LinkedList
- Approach: At first glance I was confused about how to tackle this since the head isn't given in the LL. After sometime I got the solution and solve it using the node

[Heman yadav @hemanyadav2005]

Day 14/100 of #100DaysOfCode

- Problem Solved: 349. Intersection of Two Arrays
- Topic learned: singly linkedlist
- Approach: Use unordered_map to track elements.

#Leetcode #DSA #ComputerScience #CodingJourney

[Heman yadav @hemanyadav2005]

Day 13/100 of #100DaysOfCode

- Problem solved: 34. Find First and Last Position of Element in Sorted Array
- Topic covered: Binary Search
- Topic learned: LinkedList
- Approach: Search the first occurrence in left side and last occurrence in right side after calculating mid.

[Heman yadav @hemanyadav2005]

Day 12/100 of #100DaysOfCode

- Problem solved: 69. Sqrt(x)
- Topic covered: Binary Search
- Topic Learned: LinkedList
- Approach: Instead of using pow() function in C++, I use mid*mid approach and then compare it to x to get the result

#Leetcode #DSA #Cpp #Consistency #Learning

[Heman yadav @hemanyadav2005]

Day 11/100 of #100DaysOfCode

- Problem Solved: 162. Find the peak element
- Topic covered: Binary Search
- Topic learned: LinkedList

#Leetcode #DSA #codingJourney #consistency

[Heman yadav @hemanyadav2005]

Day 10/100 of #100DaysOfCode

- Problem Solved: 81. Search in Rotated Sorted Array II
- Topic Covered: Binary Search
- Approach: Find the pivot element (k) using linear search (to avoid duplicates) then divide the array into two parts (0, k-1), (k, n-1) then perform binary search

[Heman yadav @hemanyadav2005]

Day 9/100 of #100DaysOfCode

- Problem solved: 74. Search a 2D Matrix and 33. Search in Rotated Sorted Array
- Approach: Both problems were tackled by binary search with slight modifications
- Topic Covered: Binary Search

#Leetcode #DSA #Cpp #CodingJourney #Consistency

[Heman yadav @hemanyadav2005]

Day 8/100 of #100DaysOfCode

- Problem Solved: 1423 (Maximum points you can obtain from cards), 1358 (Number of Substrings Containing All Three Characters), 1004 (Max Consecutive Ones III)
- Topic Covered: Sliding window and 2 pointers

#Leetcode #DSA #cpp

[Heman yadav @hemanyadav2005]

Day 7/100 of #100DaysOfCode

- Problem Solved: 28. Find the Index of the First Occurrence in a String
- Approach: Use C++ in-built function to tackle the problem
- Topic Covered: 2 pointers

#DataStructures #Algorithms #LeetCode #Cpp #CodingChallenge

[Heman yadav @hemanyadav2005]

Day 6/100 of #100DaysOfCode

- Topic covered: 2 pointer technique
- Topic Learned: Binary Search
- Problem Solved: Leetcode 3194. Minimum average of largest (main problem) and smallest element and Leetcode 88. Merge sorted array
- Approach: Classic two pointer approach
#DSA #cpp

[Heman yadav @hemanyadav2005]

Day 5/100 of #100DAysOfCode

- Topic Covered: Sliding Window and 2 Pointer Technique
- Problem Solved: 125. Valid Palindrome
- Approach: 2 Pointer technique, use of STL library to lowercase characters and remove all non-alphanumeric characters in the string

#Leetcode #DSA #cpp

[Heman yadav @hemanyadav2005]

@anonthedev Amazing work buddy. Getting the highest on-campus package and best placement offer for sure.

[Heman yadav @hemanyadav2005]

Day 4/100 of #100DaysOfCode

- Topic Covered: Sliding Window and 2 Pointer Technique
- Problem Solved: 643. Maximum Average Subarray I
- Approach: classic sliding window technique

#Leetcode #DSA #cpp #ConstantLearning

[Heman yadav @hemanyadav2005]

Day 3/100 of #100DaysOfCode

- Topic Covered: Arrays and Hashing
- Problem Solved: 205. Contains Duplicate
- Approach: unordered map
I didn't even realize how two hours passed on this problem.

#LeetCode #DSA #Cpp

[Heman yadav @hemanyadav2005]

Day 2/100 of #100DaysOfCode

- Doing questions on Leetcode
- Topic covered: Arrays and Hashing
- Problem solved: 347. Top K Frequent Elements (highlight of the day), 242. Valid Anagram, 217. Contains Duplicate
- Approach: unordered set and map

#Leetcode #DSA #cpp