leetcode:

for me to conveniently group and post my solutions to the daily leetcode question... hopefully I do not end up missing any... right...


October 2025:

3147. Taking Maximum Energy From the Mystic Dungeon Medium
3494. Find the Minimum Amount of Time to Brew Potions Medium
2300. Successful Pairs of Spells and Potions Medium
1488. Avoid Flood in The City Medium
778. Swim in Rising Water Hard
417. Pacific Atlantic Water Flow Medium
11. Container With Most Water Medium
407. Trapping Rain Water II Hard
3100. Water Bottles II Medium
1518. Water Bottles Easy

September 2025:

1039. Minimum Score Triangulation of Polygon Medium
976. Largest Perimeter Triangle Easy
812. Largest Triangle Area Easy
611. Valid Triangle Number Medium
120. Triangle Medium
166. Fraction to Recurring Decimal Medium
165. Compare Version Numbers Medium
3005. Count Elements With Maximum Frequency Easy
1912. Design Movie Rental System Hard
3508. Implement Router Medium
3484. Design Spreadsheet Medium
3408. Design Task Manager Medium
2353. Design a Food Rating System Medium
2197. Replace Non Coprime Numbers in Array Hard
1935. Maximum Number of Words You Can Type Easy
966. Vowel Spellchecker Medium
3541. Find Most Frequent Vowel and Consonant Easy
3227. Vowels Game in a String Medium
2785. Sort Vowels in a String Medium
1733. Minimum Number of People to Teach Medium
2327. Number of People Aware of a Secret Medium
1317. Convert Integer to the Sum of Two No Zero Integers Easy
1304. Find N Unique Integers Sum up to Zero Easy
3495. Minimum Operations to Make Array Elements Zero Hard
2749. Minimum Operations to Make the Integer Zero Medium
3516. Find Closest Person Easy
3027. Find the Number of Ways to Place People II Hard
3025. Find the Number of Ways to Place People I Medium
1792. Maximum Average Pass Ratio Medium

August 2025:

3477. Fruits Into Baskets II Easy
904. Fruit Into Baskets Medium
2106. Maximum Fruits Harvested After at Most K Steps Hard
2561. Rearranging Fruits Hard
118. Pascal’s Triangle Easy

July 2025:

1695. Maximum Erasure Value Medium
1957. Delete Characters to Make Fancy String Easy
1233. Remove Sub Folders from the Filesystem Medium
2163. Minimum Difference in Sums After Removal of Elements Hard
3202. Find the Maximum Length of Valid Subsequence II Medium
3201. Find the Maximum Length of Valid Subsequence I Medium
3136. Valid Word Easy
1290. Convert Binary Number in a Linked List to Integer Easy
2410. Maximum Matching of Players With Trainers Medium
1900. The Earliest and Latest Rounds Where Players Compete Hard
2402. Meeting Rooms III Hard
3440. Reschedule Meetings for Maximum Free Time II Medium
3439. Reschedule Meetings for Maximum Free Time I Medium
1751. Maximum Number of Events That Can Be Attended II Hard
1353. Maximum Number of Events That Can Be Attended Medium
1865. Finding Pairs With a Certain Sum Medium
1394. Find Lucky Integer in an Array Easy
3307. Find the K th Character in String Game II Hard
3304. Find the K th Character in String Game I Easy
3333. Find the Original Typed String II Hard
3330. Find the Original Typed String I Easy

June 2025:

594. Longest Harmonious Subsequence Easy
1498. Number of Subsequences That Satisfy the Given Sum Condition Medium
2099. Find Subsequence of Length K With the Largest Sum Easy
2311. Longest Binary Subsequence Less Than or Equal to K Medium
2200. Find All K Distant Indices in an Array Easy
2138. Divide a String Into Groups of Size k Easy
3085. Minimum Deletions to Make String K Special Medium
3443. Maximum Manhattan Distance After K Changes Medium
2294. Partition Array Such That Maximum Difference Is K Medium
2966. Divide Array Into Arrays With Max Difference Medium
2016. Maximum Difference Between Increasing Elements Easy
1432. Max Difference You Can Get From Changing an Integer Medium
2566. Maximum Difference by Remapping a Digit Easy
2616. Minimize the Maximum Difference of Pairs Medium
3423. Maximum Difference Between Adjacent Elements in a Circular Array Easy
3442. Maximum Difference Between Even and Odd Frequency I Easy
440. K th Smallest in Lexicographical Order Hard
386. Lexicographical Numbers Medium
3170. Lexicographically Minimum String After Removing Stars Medium
2434. Using a Robot to Print the Lexicographically Smallest String Medium
1061. Lexicographically Smallest Equivalent String Medium
3403. Find the Lexicographically Largest String From the Box I Medium
1298. Maximum Candies You Can Get from Boxes Hard
135. Candy Hard
2929. Distribute Candies Among Children II Medium

May 2025:

909. Snakes and Ladders Medium
2359. Find Closest Node to Given Two Nodes Medium
3373. Maximize the Number of Target Nodes After Connecting Trees II Hard
3372. Maximize the Number of Target Nodes After Connecting Trees I Medium
2894. Divisible and Non divisible Sums Difference Easy
1857. Largest Color Value in a Directed Graph Hard
2131. Longest Palindrome by Concatenating Two Letter Words Medium
2942. Find Words Containing Character Easy
3068. Find the Maximum Sum of Node Values Hard
3362. Zero Array Transformation III Medium
73. Set Matrix Zeroes Medium
3355. Zero Array Transformation I Medium
3024. Type of Triangle Easy
75. Sort Colors Medium
2901. Longest Unequal Adjacent Groups Subsequence II Medium
2900. Longest Unequal Adjacent Groups Subsequence I Easy
3337. Total Characters in String After Transformations II Hard
3335. Total Characters in String After Transformations I Medium
2094. Finding 3 Digit Even Numbers Easy
1550. Three Consecutive Odds Easy
2918. Minimum Equal Sum of Two Arrays After Replacing Zeros Medium
3343. Count Number of Balanced Permutations Hard
3342. Find Minimum Time to Reach Last Room II Medium
3341. Find Minimum Time to Reach Last Room I Medium
1920. Build Array from Permutation Easy
790. Domino and Tromino Tiling Medium
1128. Number of Equivalent Domino Pairs Easy
1007. Minimum Domino Rotations For Equal Row Medium
838. Push Dominoes Medium
2071. Maximum Number of Tasks You Can Assign Hard

April 2025:

1295. Find Numbers with Even Number of Digits Easy
2962. Count Subarrays Where Max Element Appears at Least K Times Medium
2302. Count Subarrays With Score Less Than K Hard
3392. Count Subarrays of Length Three With a Condition Easy
2845. Count of Interesting Subarrays Medium
2799. Count Complete Subarrays in an Array Medium
1399. Count Largest Group Easy
2145. Count the Hidden Sequences Medium
781. Rabbits in Forest Medium
2563. Count the Number of Fair Pairs Medium
38. Count and Say Medium
2176. Count Equal and Divisible Pairs in an Array Easy
2537. Count the Number of Good Subarrays Medium
1534. Count Good Triplets Easy
1922. Count Good Numbers Medium
3396. Minimum Number of Operations to Make Elements in Array Distinct Easy
2140. Solving Questions With Brainpower Medium

March 2025:

763. Partition Labels Medium
3169. Count Days Without Meetings Medium
1976. Number of Ways to Arrive at Destination Medium
2685. Count the Number of Complete Components Medium
2115. Find All Possible Recipes from Given Supplies Medium
3191. Minimum Operations to Make Binary Array Elements Equal to One I Medium
2401. Longest Nice Subarray Medium
2206. Divide Array Into Equal Pairs Easy
2594. Minimum Time to Repair Cars Medium
2560. House Robber IV Medium
2226. Maximum Candies Allocated to K Children Medium
3356. Zero Array Transformation II Medium
2529. Maximum Count of Positive Integer and Negative Integer Easy
1358. Number of Substrings Containing All Three Characters Medium
3306. Count of Substrings Containing Every Vowel and K Consonants II Medium
3208. Alternating Groups II Medium
2379. Minimum Recolors to Get K Consecutive Black Blocks Easy
2523. Closest Prime Numbers in Range Medium
2965. Find Missing and Repeated Values Easy
2579. Count Total Number of Colored Cells Medium
1780. Check if Number is a Sum of Powers of Three Medium
2161. Partition Array According to Given Pivot Medium
2570. Merge Two 2D Arrays by Summing Values Easy
2460. Apply Operations to an Array Easy

February 2025:

1092. Shortest Common Supersequence Hard
873. Length of Longest Fibonacci Subsequence Medium
1749. Maximum Absolute Sum of Any Subarray Medium
1524. Number of Sub arrays With Odd Sum Medium
2467. Most Profitable Path in a Tree Medium
889. Construct Binary Tree from Preorder and Postorder Traversal Medium
1028. Recover a Tree From Preorder Traversal Hard
1261. Find Elements in a Contaminated Binary Tree Medium
1980. Find Unique Binary String Medium
1415. The k th Lexicographical String of All Happy Strings of Length n Medium
2375. Construct Smallest Number From DI String Medium
1079. Letter Tile Possibilities Medium
1718. Construct the Lexicographically Largest Valid Sequence Medium
2698. Find the Punishment Number of an Integer Medium
1352. Product of the Last K Numbers Medium
3066. Minimum Operations to Exceed Threshold Value II Medium
2342. Max Sum of a Pair With Equal Sum of Digits Medium
1910. Remove All Occurrences of a Substring Medium
3174. Clear Digits Easy
2364. Count Number of Bad Pairs Medium
2349. Design a Number Container System Medium
3160. Find the Number of Distinct Colors Among the Balls Medium
1726. Tuple with Same Product Medium
1790. Check if One String Swap Can Make Strings Equal Easy
1800. Maximum Ascending Subarray Sum Easy
3105. Longest Strictly Increasing or Strictly Decreasing Subarray Easy
1752. Check if Array Is Sorted and Rotated Easy
3151. Special Array I Easy

January 2025:

827. Making A Large Island Hard
2493. Divide Nodes Into the Maximum Number of Groups Hard
684. Redundant Connection Medium
2658. Maximum Number of Fish in a Grid Medium
1462. Course Schedule IV Medium
2127. Maximum Employees to Be Invited to a Meeting Hard
2948. Make Lexicographically Smallest Array by Swapping Elements Medium
802. Find Eventual Safe States Medium
1267. Count Servers that Communicate Medium
1765. Map of Highest Peak Medium
2017. Grid Game Medium
2661. First Completely Painted Row or Column Medium
407. Trapping Rain Water II Hard
1368. Minimum Cost to Make at Least One Valid Path in a Grid Hard
2683. Neighboring Bitwise XOR Medium
2425. Bitwise XOR of All Pairings Medium
2429. Minimize XOR Medium
2657. Find the Prefix Common Array of Two Arrays Medium
3223. Minimum Length of String After Operations Medium
2116. Check if a Parentheses String Can Be Valid Medium
1400. Construct K Palindrome Strings Medium
916. Word Subsets Medium
2185. Counting Words With a Given Prefix Easy
3042. Count Prefix and Suffix Pairs I Easy
1408. String Matching in an Array Easy
1769. Minimum Number of Operations to Move All Balls to Each Box Medium
2381. Shifting Letters II Medium
1930. Unique Length 3 Palindromic Subsequences Medium
2270. Number of Ways to Split Array Medium
2559. Count Vowel Strings in Ranges Medium
1422. Maximum Score After Splitting a String Easy