Notes
Coding
Coding
  • About
  • Easy
    • 13. Roman to Integer
    • 14. Longest Common Prefix
    • 20. Valid Parentheses
    • 26. Remove Duplicates from Sorted Array
    • 35. Search Insert Position
    • 69. Sqrt(x)
    • 70. Climbing Stairs
    • 88. Merge Sorted Array
    • 118. Pascal's Triangle
    • 121. Best Time to Buy and Sell Stock
    • 205. Isomorphic Strings
    • 242. Valid Anagram
    • 283. Move Zeroes
    • 345. Reverse Vowels of a String
    • 605. Can Place Flowers
    • 704. Binary Search
    • 796. Rotate String
    • 1071. Greatest Common Divisor of Strings
    • 1431. Kids With the Greatest Number of Candies
    • 1614. Maximum Nesting Depth of the Parentheses
    • 1752. Check if Array Is Sorted and Rotated
    • 1768. Merge Strings Alternately
    • 1903. Largest Odd Number in String
    • 2965. Find Missing and Repeated Values
  • Medium
    • 2. Add Two Numbers
    • 3. Longest Substring Without Repeating Characters
    • 5. Longest Palindromic Substring
    • 8. String to Integer (atoi)
    • 11. Container With Most Water
    • 15. 3Sum
    • 17. Letter Combinations of a Phone Number
    • 19. Remove Nth Node From End of List
    • 22. Generate Parentheses
    • 33. Search in Rotated Sorted Array
    • 34. Find First and Last Position of Element in Sorted Array
    • 48. Rotate Image
    • 49. Group Anagrams
    • 50. Pow(x, n)
    • 53. Maximum Subarray
    • 54. Spiral Matrix
    • 56. Merge Intervals
    • 61. Rotate List
    • 73. Set Matrix Zeroes
    • 74. Search a 2D Matrix
    • 75. Sort Colors
    • 78. Subsets
    • 138. Copy List with Random Pointer
    • 150. Evaluate Reverse Polish Notation
    • 151. Reverse Words in a String
    • 153. Find Minimum in Rotated Sorted Array
    • 155. Min Stack
    • 162. Find Peak Element
    • 169. Majority Element
    • 189. Rotate Array (Approach 1 )
      • 189. Rotate Array (Approach 2 )
    • 198. House Robber
    • 200. Number of Islands (Approach 1)
      • 200. Number of Islands (Approach 2)
    • 207. Course Schedule
    • 215. Kth Largest Element in an Array
    • 227. Basic Calculator II
    • 236. Lowest Common Ancestor of a Binary Tree
    • 237. Delete Node in a Linked List
    • 238. Product of Array Except Self
    • 253. Meeting Rooms II (Approach 1)
      • 253. Meeting Rooms II (Approach 2)
    • 451. Sort Characters By Frequency
    • 540. Single Element in a Sorted Array
    • 560. Subarray Sum Equals K
    • 636. Exclusive Time of Functions
    • 875. Koko Eating Bananas
    • 1011. Capacity To Ship Packages Within D Days
    • 1101. The Earliest Moment When Everyone Become Friends
    • 1283. Find the Smallest Divisor Given a Threshold
    • 2140. Solving Questions With Brainpower
    • 3169. Count Days Without Meetings
    • 3481. Apply Substitutions
  • Hard
    • 25. Reverse Nodes in k-Group
    • 26. Remove Duplicates from Sorted Array
    • 27. Remove Element
    • 42. Trapping Rain Water
    • 51. N-Queens
    • 55. Jump Game
    • 80. Remove Duplicates from Sorted Array II
    • 88. Merge Sorted Array
    • 121. Best Time to Buy and Sell Stock
    • 122. Best Time to Buy and Sell Stock II
    • 189. Rotate Array
    • 274. H-Index
  • Template
  • Misc
    • Implement Upper Bound
    • Implement Lower Bound
    • Calculate Floor & Ceiling
    • Number of occurrence
    • Flatten A Linked List
    • Find Nth Root Of M
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Hey! Welcome to the coding section where i capture the solutions of the problem i find interesting.

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References

  • https://neetcode.io

  • https://usaco.guide/dashboard

  • https://leetcode.com/studyplan/top-interview-150/

  • https://github.com/krishnadey30/LeetCode-Questions-CompanyWise

  • https://takeuforward.org/strivers-a2z-dsa-course/strivers-a2z-dsa-course-sheet-2/

  • https://books.goalkicker.com

  • https://www.algoexpert.io/questions

  • https://www.sanfoundry.com

  • preparation-guide-roadmap

Next13. Roman to Integer

Last updated 1 month ago