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leetcode resources

leetcode resources

Oct 04, 20241 min read

As you code feel free to listen to radio by freeCodeCamp - CodeRadio

211 items under this folder.

Oct 04, 2024
713 Subarray Product Less Than K
- medium
Oct 04, 2024
739 Daily Temperatures
- medium
Oct 04, 2024
746 Min Cost Climbing Stairs
- medium
Oct 04, 2024
78 Subsets
- medium
Oct 04, 2024
83 Remove Duplicates from Sorted List
- medium
Oct 04, 2024
846 Hand of Straights
- medium
Oct 04, 2024
876 Middle of the Linked List
- medium
Oct 04, 2024
896 Monotonic Array
- medium
Oct 04, 2024
921 Minimum Add to Make Parentheses Valid
- medium
Oct 04, 2024
988 Smallest String Starting From Leaf
- medium
Oct 04, 2024
994 Rotting Oranges
- medium
Oct 04, 2024
Leetcode w me
- medium
Oct 04, 2024
2798 Number of Employees Who Met the Target
- easy
Oct 04, 2024
2828 Check if a String Is an Acronym of Words
- medium
Oct 04, 2024
2849 Determine if a Cell Is Reachable at a Given T
- medium
Oct 04, 2024
2913 Subarrays Distinct Element Sum of Squares I
- medium
Oct 04, 2024
2958 Length of Longest Subarray With at Most K Fre
- medium
Oct 04, 2024
3 Longest Substring Without Repeating Characters
- medium
Oct 04, 2024
3075 Maximize Happiness of Selected Children
- medium
Oct 04, 2024
3079 Find the Sum of Encrypted Integers
- medium
Oct 04, 2024
310 Minimum Height Trees
- medium
Oct 04, 2024
322 Coin change
- medium
Oct 04, 2024
33 Search in Rotated Sorted Array
- medium
Oct 04, 2024
347 Top K Frequent Elements
- medium
Oct 04, 2024
383 Ransom Note
- medium
Oct 04, 2024
387 First Unique Character in a String
- medium
Oct 04, 2024
402 Remove K Digits
- medium
Oct 04, 2024
404 Sum of Left Leaves
- medium
Oct 04, 2024
409 Longest Palindrome
- medium
Oct 04, 2024
42 Trapping Rain Water
- medium
Oct 04, 2024
424 Longest Repeating Character Replacement
- medium
Oct 04, 2024
442 Find All Duplicates in an Array
- medium
Oct 04, 2024
451 Sort Characters By Frequency
- medium
Oct 04, 2024
46 Permutations
- medium
Oct 04, 2024
463 Island Perimeter
- medium
Oct 04, 2024
49 Group Anagrams
- medium
Oct 04, 2024
5 Longest Palindromic Substring
- medium
Oct 04, 2024
50 Pow(x, n)
- medium
Oct 04, 2024
509 Fibonacci Number (pending) (2)
- medium
Oct 04, 2024
53 Maximum Subarray
- medium
Oct 04, 2024
542 01 Matrix
- medium
Oct 04, 2024
55 Jump Game
- medium
Oct 04, 2024
56 Merge Intervals
- medium
Oct 04, 2024
567 Permutation in String
- medium
- sliding-window
Oct 04, 2024
623 Add One Row to Tree
- medium
Oct 04, 2024
647 Palindromic Substrings
- medium
Oct 04, 2024
648 Replace Words
- medium
Oct 04, 2024
680 Valid Palindrome II
- medium
Oct 04, 2024
703 Kth Largest Element in a Stream
- medium
Oct 04, 2024
1493 Longest Subarray of 1's After Deleting One El
- medium
Oct 04, 2024
1496 Path Crossing
- medium
Oct 04, 2024
15 3Sum
- medium
Oct 04, 2024
152 Maximum Product Subarray
- medium
Oct 04, 2024
153 Find Minimum in Rotated Sorted Array
- medium
Oct 04, 2024
1535 Find the Winner of an Array Game
- medium
Oct 04, 2024
1544 Make The String Great
- medium
Oct 04, 2024
1547 Minimum Cost to Cut a Stick (yet to solve)
- medium
Oct 04, 2024
1551 Minimum Operations to Make Array Equal
- medium
Oct 04, 2024
1561 Maximum Number of Coins You Can Get
- medium
Oct 04, 2024
1572 Matrix Diagonal Sum
- medium
Oct 04, 2024
1575 Count All Possible Routes (yet to solve)
- medium
Oct 04, 2024
1614 Maximum Nesting Depth of the Parentheses
- medium
Oct 04, 2024
165 Compare Version Numbers
- medium
Oct 04, 2024
167 Two Sum II - Input Array Is Sorted
- medium
Oct 04, 2024
1689 Partitioning Into Minimum Number Of Deci-Bina
- medium
Oct 04, 2024
1732 Find the Highest Altitude (pending)
- medium
Oct 04, 2024
1903 Largest Odd Number in String
- medium
Oct 04, 2024
1967 Number of Strings That Appear as Substrings i
- medium
Oct 04, 2024
198 House Robber
- medium
Oct 04, 2024
1992 Find All Groups of Farmland
- medium
Oct 04, 2024
200 Number of Islands
- medium
Oct 04, 2024
206 Reverse Linked List
- medium
Oct 04, 2024
207 Course Schedule
- medium
- graph
Oct 04, 2024
2090 K Radius Subarray Averages
- medium
Oct 04, 2024
21 Merge Two Sorted Lists
- medium
Oct 04, 2024
213 House Robber II
- medium
Oct 04, 2024
2149 Rearrange Array Elements by Sign
- medium
Oct 04, 2024
215 Kth Largest Element in an Array
- medium
Oct 04, 2024
2265 Count Nodes Equal to Average of Subtree
- medium
Oct 04, 2024
2287 Rearrange Characters to Make Target String
- medium
Oct 04, 2024
2315 Count Asterisks
- medium
Oct 04, 2024
235 Lowest Common Ancestor of a Binary Search Tree
- medium
Oct 04, 2024
2373 Largest Local Values in a Matrix
- medium
Oct 04, 2024
238 Product of Array Except Self
- medium
Oct 04, 2024
2391 Minimum Amount of Time to Collect Garbage
- medium
Oct 04, 2024
2428 Maximum Sum of an Hourglass
- medium
Oct 04, 2024
2433 Find The Original Array of Prefix Xor
- medium
Oct 04, 2024
2448 Minimum Cost to Make Array Equal (debug pendi
- medium
Oct 04, 2024
2610 Convert an Array Into a 2D Array With Conditions
- medium
Oct 04, 2024
2710 Remove Trailing Zeros From a String
- medium
Oct 04, 2024
2744 Find Maximum Number of String Pairs
- medium
Oct 04, 2024
278 First Bad Version
- medium
Oct 04, 2024
2785 Sort Vowels in a String
- medium
Oct 04, 2024
2788 Split Strings by Separator
- medium
Oct 04, 2024
1 Two Sum (pending)
- medium
Oct 04, 2024
102 Binary Tree Level Order Traversal
- medium
Oct 04, 2024
1027 Longest Arithmetic Subsequence (Pending)
- medium
Oct 04, 2024
1046 Last Stone Weight
- medium
Oct 04, 2024
105 Construct Binary Tree from Preorder and Inorde
- medium
Oct 04, 2024
11 Container With Most Water (pending)
- medium
Oct 04, 2024
110 Balanced Binary Tree
- medium
Oct 04, 2024
1122 Relative Sort Array
- easy
Oct 04, 2024
1137 N-th Tribonacci Number (pending) (1)
- medium
Oct 04, 2024
1143 Longest Common Subsequence (Pending)
- medium
Oct 04, 2024
1143 Longest Common Subsequence
- medium
Oct 04, 2024
1208 Get Equal Substrings Within Budget
- medium
Oct 04, 2024
121 Best Time to Buy and Sell Stock
- medium
Oct 04, 2024
1221 Split a String in Balanced Strings
- medium
Oct 04, 2024
128 Longest Consecutive Sequence
- medium
Oct 04, 2024
1282 Group The People Given The Group Size They Belong To
- medium
Oct 04, 2024
129 Sum Root to Leaf Numbers
- medium
Oct 04, 2024
133 Clone Graph
- medium
Oct 04, 2024
1347 Minimum Number of Steps to Make Two Strings A
- medium
Oct 04, 2024
138 Copy List with Random Pointer
- medium
Oct 04, 2024
143 Reorder List
- medium
Oct 04, 2024
144 Binary Tree Preorder Traversal
- medium
Oct 04, 2024
1442 Count Triplets That Can Form Two Arrays of Eq
- medium
Oct 03, 2024
1035 Uncrossed Lines
- medium
- dp
Sep 17, 2024
884 Uncommon Words from Two Sentences
- easy
Sep 14, 2024
494 Target Sum
- medium
- dp
Sep 12, 2024
1310 XOR Queries of a Subarray
- medium
- xor
Sep 11, 2024
1367 Linked List in Binary Tree
Sep 11, 2024
54 Spiral Matrix
- medium
- matrix
Sep 11, 2024
62 Unique Paths
- medium
- dynamic-programming
Sep 11, 2024
63 Unique Paths II
- medium
- dynamic-programming
Sep 11, 2024
64 Minimum Path Sum
- medium
- dynamic-programming
Sep 11, 2024
725 Split Linked List in Parts
- medium
- linked-list
Aug 30, 2024
2807 Insert Greatest Common Divisors in Linked List
- medium
- linked-list
Aug 30, 2024
3217 Delete Nodes From Linked List Present in Array
- medium
- linked-list
Aug 30, 2024
445 Add Two Numbers II
- medium
- linked-list
Aug 29, 2024
160 Intersection of Two Linked Lists
- medium
- linked-list
Aug 29, 2024
1669 Merge In Between Linked Lists
- medium
- linked-list
Aug 29, 2024
599 Minimum Index Sum of Two Lists
- medium
- hashmap
Aug 28, 2024
1290 Convert Binary Number in a Linked List to Integer
- easy
Aug 28, 2024
1905 Count Sub Islands
- medium
- dfs
Aug 28, 2024
23 Merge k Sorted Lists
- hard
- linked-lists
Aug 24, 2024
1466 Reorder Routes to Make All Paths Lead to the City Zero
- medium
- graph
Aug 24, 2024
2415 Reverse Odd Levels of Binary Tree
- medium
- binary-tree
Aug 23, 2024
1305 All Elements in Two Binary Search Trees
Aug 23, 2024
1315 Sum of Nodes with Even-Valued Grandparent
- medium
- binary-tree
Aug 23, 2024
797 All Paths From Source to Target
Aug 23, 2024
897 Increasing Order Search Tree
- medium
- bst
Aug 22, 2024
2368 Reachable Nodes With Restrictions
- medium
- graph
Aug 22, 2024
476 Number Complement
- easy
- recursion
Aug 21, 2024
2401
- medium
- sliding-window
Aug 19, 2024
1283 Find the Smallest Divisor Given a Threshold
- medium
- binary-search
Aug 19, 2024
226 Invert Binary Tree
- medium
- binary-tree
Aug 19, 2024
230 Kth Smallest Element in a BST
- medium
- bst
Aug 17, 2024
1768 Merge Strings Alternatively
- easy
Aug 17, 2024
199 Binary Tree Right Side View
- medium
- binary-tree
Aug 10, 2024
209 Minimum Size Subarray Sum
- medium
- sliding-window
Aug 09, 2024
1011 Capacity To Ship Packages Within D Days
- medium
Aug 09, 2024
1482 Minimum Number of Days to Make m Bouquets
- medium
- binary-search
Aug 09, 2024
1508 Range Sum of Sorted Subarray Sums
- medium
Aug 09, 2024
1974 Minimum Time to Type Word Using Special Typewriter
- easy
Aug 09, 2024
2053 Kth Distinct String in an Array
- medium
Aug 09, 2024
3016 Minimum Number of Pushes to Type Word II
- medium
Aug 09, 2024
840 Magic Squares In Grid
- medium
Aug 09, 2024
875 Koko Eating Bananas
- medium
Aug 05, 2024
1662 Check If Two String Arrays are Equivalent
- easy
- string
Aug 05, 2024
1773 Count Items Matching A Rule
- easy
Aug 05, 2024
1816 Truncate Sentence
- easy
- string
Aug 05, 2024
1832 Check if the Sentence Is Pangram
- easy
- set
Aug 05, 2024
1844 Replace All Digits with Characters
- easy
Aug 05, 2024
1859 Sorting the Sentence
- easy
- sort
Aug 05, 2024
2325 Decode the Message
- easy
- hashmaps
Aug 05, 2024
2697 Lexicographically Smallest Palindrome
- easy
Aug 05, 2024
2810 Faulty Keyboard
- easy
Aug 05, 2024
3019 Number of Changing Keys
- easy
Aug 05, 2024
804 Unique Morse Code Words
- easy
Aug 01, 2024
1498 Number of Sequences That Satisfy the Given Sum Condition
- medium
- two-pointers
Aug 01, 2024
1653 Minimum Deletions to Make String Balanced
- medium
Aug 01, 2024
2124 Check if All A's Appears Before All B's
- easy
Aug 01, 2024
2194 Cells in a Range on an Excel Sheet
- easy
Aug 01, 2024
2124 Check if All A's Appears Before All B's
- easy
Jul 30, 2024
3211 Generate Binary Strings Without Adjacent Zeros
Jul 27, 2024
70 Climbing Stairs
- easy
- dp
Jul 25, 2024
912 Sort An Array
- medium
- sorting
Jul 23, 2024
1636 Sort Array by Increasing Frequency
- easy
Jul 23, 2024
617 Merge Two Binary Trees
- easy
- binary-tree
Jul 23, 2024
700 Search in a Binary Search Tree
- easy
- binary-search-tree
Jul 22, 2024
112 Path Sum
- easy
- binary-tree
Jul 22, 2024
1379 Find a Corresponding Node of a Binary Tree in a Clone of That Tree
- easy
- binary-tree
Jul 22, 2024
2148 Sort the People
- easy
- arrays
Jul 21, 2024
1380 Lucky Numbers in a Matrix
- easy
- matrix
Jul 21, 2024
1557 Minimum Number of Vertices to Reach All Nodes
Jul 21, 2024
2192 All Ancestors of a Node in a Directed Acyclic Graph
Jul 15, 2024
2196 Create Binary Tree From Descriptions
Jul 10, 2024
1598 Crawler Log Folder
- easy
Jul 08, 2024
1823 Find the Winner of the Circular Game
- medium
- simulation
Jul 07, 2024
1518 Water Bottles
- easy
Jul 06, 2024
1038 Binary Search Tree to Greater Sum Tree
- medium
- binary-search-tree
Jul 06, 2024
2582 Pass the Pillwo
- easy
- simulation
Jul 06, 2024
538 Convert BST to Greater Tree
- medium
- binary-search-tree
Jul 02, 2024
350 Intersection of Two Arrays II
- easy
Jun 26, 2024
108 Convert Sorted Array to Binary Search Tree
Jun 26, 2024
1382 Balance a Binary Search Tree
Jun 26, 2024
1791 Find Center of Star Graph
- easy
- graph
Jun 25, 2024
300 Longest Increasing Subsequence
Jun 24, 2024
646 Maximum Length of Pair Chain
Jun 23, 2024
518 Coin Change II
- medium
- dynamic-programming
Jun 23, 2024
877 Stone Game
Jun 23, 2024
983 Minimum Cost For Tickets
Jun 19, 2024
69 Sqrt(x)
- medium
Jun 18, 2024
826 Most Profit Assigning Work
Jun 17, 2024
633 Sum of Square Numbers
- medium
Jun 14, 2024
945 Minimum Increment to Make Array Unique
- medium
Jun 13, 2024
139 Word Break
- medium
- dynamic-programming
Jun 12, 2024
2037 Minimum Number of Moves to Seat Everyone
Jun 12, 2024
75 Sort Colors
- medium
- dutch-national-flag
Jun 07, 2024
523 Continuous Subarray Sum
- medium

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