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#lc_easy
Sep 2020
1 Two Sum
Feb 2023
9 Palindrome Number
Sep 2022
13 Roman to Integer
Feb 2023
14 Longest Common Prefix
Sep 2020
20 Valid Parentheses
Oct 2020
21 Merge Two Sorted Lists
Sep 2021
35 Search Insert Position
Sep 2021
53 Maximum Subarray
Sep 2022
66 Plus One
Sep 2021
70 Climbing Stairs
Oct 2021
83 Remove Duplicates from Sorted List
Sep 2021
88 Merge Sorted Array
Oct 2021
94 Binary Tree Inorder Traversal
Jun 2021
100 Same Tree
Mar 2021
101 Symmetric Tree
Oct 2021
104 Maximum Depth of Binary Tree
Oct 2021
112 Path Sum
Sep 2021
118 Pascal's Triangle
Sep 2021
121 Best Time to Buy and Sell Stock
Oct 2020
122 Best Time to Buy and Sell Stock II
Sep 2020
136 Single Number
Oct 2021
141 Linked List Cycle
Oct 2021
144 Binary Tree Preorder Traversal
Oct 2021
145 Binary Tree Postorder Traversal
Sep 2021
167 Two Sum II - Input array is sorted
Sep 2021
189 Rotate Array
Oct 2021
203 Remove Linked List Elements
Oct 2021
206 Reverse Linked List
Sep 2021
217 Contains Duplicate
Oct 2021
226 Invert Binary Tree
Oct 2020
231 Power of Two
Oct 2021
232 Implement Queue using Stacks
Oct 2021
235 Lowest Common Ancestor of a Binary Search Tree
Dec 2020
242 Valid Anagram
Sep 2021
278 First Bad Version
Sep 2021
283 Move Zeroes
Oct 2020
344 Reverse String
Sep 2021
350 Intersection of Two Arrays II
Feb 2023
359 Logger Rate Limiter
Oct 2021
383 Ransom Note
Dec 2020
387 First Unique Character in a String
Mar 2021
405 Convert a Number to Hexadecimal
Sep 2020
412 Fizz Buzz
Sep 2022
461 Hamming Distance
Dec 2020
476 Number Complement
Aug 2022
496 Next Greater Element I
Jun 2021
504 Base 7
Sep 2021
509 Fibonacci Number
Aug 2022
543 Diameter of Binary Tree
Sep 2021
557 Reverse Words in a String III
Sep 2021
566 Reshape the Matrix
Sep 2021
617 Merge Two Binary Trees
Sep 2022
680 Valid Palindrome II
Sep 2022
696 Count Binary Substrings
Oct 2021
700 Search in a Binary Search Tree
Sep 2021
704 Binary Search
Jan 2023
724 Find Pivot Index
Sep 2021
733 Flood Fill
Nov 2022
746 Min Cost Climbing Stairs
Sep 2021
876 Middle of the Linked List
Nov 2022
888 Fair Candy Swap
Jan 2023
938 Range Sum of BST
Mar 2023
976 Largest Perimeter Triangle
Sep 2021
977 Squares of a Sorted Array
Sep 2022
993 Cousins in Binary Tree
Mar 2021
1022 Sum of Root To Leaf Binary Numbers
Sep 2022
1099 Two Sum Less Than K
Mar 2021
1114 Print in Order
Sep 2021
1137 N-th Tribonacci Number
Mar 2023
1189 Maximum Number of Balloons
Nov 2022
1200 Minimum Absolute Difference
Aug 2022
1207 Unique Number of Occurrences
Aug 2022
1275 Find Winner on a Tic Tac Toe Game
Nov 2022
1331 Rank Transform of an Array
Sep 2022
1332 Remove Palindromic Subsequences
Nov 2022
1338 Reduce Array Size to The Half
Sep 2022
1342 Number of Steps to Reduce a Number to Zeroe
Aug 2022
1360 Number of Days Between Two Dates
Mar 2021
1413 Minimum Value to Get Positive Step by Step Sum
Jan 2023
1480 Running Sum of 1d Array
Nov 2022
1582 Special Positions in a Binary Matrix
Feb 2023
1592 Rearrange Spaces Between Words
Aug 2022
1603 Design Parking System
Sep 2022
1614 Maximum Nesting Depth of the Parentheses
Sep 2022
1656 Design an Ordered Stream
Aug 2022
1710 Maximum Units on a Truck
May 2023
1768 Merge Strings Alternately
Nov 2022
1790 Check if One String Swap Can Make Strings Equal
Nov 2022
1854 Maximum Population Year
Feb 2023
2185 Counting Words With a Given Prefix
Nov 2022
2303 Calculate Amount Paid in Taxes