|
|
|
|
|
|
Easy |
1. Two Sum |
Solution |
Easy |
26. Remove Duplicates from Sorted Array |
Solution |
Easy |
1854. Maximum Population Year[Important] |
Solution |
Easy |
1886. Determine Whether Matrix Can Be Obtained By Rotation [Important] |
Solution |
Easy |
1304. Find N Unique Integers Sum up to Zero |
Solution |
Easy |
566. Reshape the Matrix |
Solution |
Easy |
66. Plus One |
Solution |
Easy |
414. Third Maximum Number |
Solution |
Easy |
1122. Relative Sort Array |
Solution |
Easy |
1464. Maximum Product of Two Elements in an Array |
Solution |
Easy |
1991. Find the Middle Index in Array |
Solution |
Easy |
268. Missing Number |
Solution |
Easy |
283. Move Zeroes |
Solution |
Easy |
744. Find Smallest Letter Greater Than Target |
Solution |
Easy |
14. Longest Common Prefix |
Solution |
Easy |
35. Search Insert Position |
Solution |
Easy |
69. Sqrt(x) |
Solution |
Easy |
231. Power of Two |
Solution |
Easy |
1480. Running Sum of 1d Array |
Solution |
Easy |
1832. Check if the Sentence Is Pangram |
Solution |
Easy |
1732. Find the Highest Altitude |
Solution |
Easy |
1572. Matrix Diagonal Sum |
Solution |
Easy |
1295. Find Numbers with Even Number of Digits |
Solution |
Easy |
1470. Shuffle the Array |
Solution |
Easy |
1920. Build Array from Permutation |
Solution |
Easy |
1929. Concatenation of Array |
Solution |
Easy |
1920. Build Array from Permutation |
Solution |
Easy |
1672. Richest Customer Wealth |
Solution |
Easy |
832. Flipping an Image |
Solution |
Easy |
1295. Find Numbers with Even Number of Digits |
Solution |
Easy |
867. Transpose Matrix |
Solution |
Easy |
1108. Defanging an IP Address |
Solution |
Easy |
1528. Shuffle String |
Solution |
Easy |
1773. Count Items Matching a Rule |
Solution |
Easy |
1678. Goal Parser Interpretation |
Solution |
Easy |
1859. Sorting the Sentence |
Solution |
Easy |
1662. Check If Two String Arrays are Equivalent |
Solution |
Easy |
709. To Lower Case |
Solution |
Easy |
1704. Determine if String Halves Are Alike |
Solution |
Easy |
557. Reverse Words in a String III |
Solution |
Easy |
1967. Number of Strings That Appear as Substrings in Word |
Solution |
Easy |
657. Robot Return to Origin |
Solution |
Easy |
168. Excel Sheet Column Title |
Solution |
Easy |
28. Implement strStr() |
Solution |
Easy |
125. Valid Palindrome |
Solution |
Easy |
680. Valid Palindrome II |
Solution |
Easy |
14. Longest Common Prefix |
Solution |
Easy |
1668. Maximum Repeating Substring |
Solution |
Easy |
58. Length of Last Word |
Solution |
Easy |
1768. Merge Strings Alternately |
Solution |
Easy |
2000. Reverse Prefix of Word |
Solution |
Easy |
13. Roman to Integer |
Solution |
Easy |
20. Valid Parentheses |
Solution |
Easy |
278. First Bad Version |
Solution |
Easy |
367. Valid Perfect Square |
Solution |
Easy |
374. Guess Number Higher or Lower |
Solution |
Easy |
441. Arranging Coins |
Solution |
Easy |
744. Find Smallest Letter Greater Than Target |
Solution |
Easy |
1539. Kth Missing Positive Number |
Solution |
Easy |
349. Intersection of Two Arrays |
Solution |
Easy |
1351. Count Negative Numbers in a Sorted Matrix |
Solution |
Easy |
704. Binary Search |
Solution |
Easy |
1608. Special Array With X Elements Greater Than or Equal X |
Solution |
Easy |
1346. Check If N and Its Double Exist |
Solution |
Easy |
888. Fair Candy Swap |
Solution |
Easy |
350. Intersection of Two Arrays II |
Solution |
Easy |
88. Merge Sorted Array |
Solution |
Easy |
169. Majority Element |
Solution |
Easy |
217. Contains Duplicate |
Solution |
Easy |
268. Missing Number |
Solution |
Easy |
2114. Maximum Number of Words Found in Sentences |
Solution |
Easy |
771. Jewels and Stones |
Solution |
Easy |
2011. Final Value of Variable After Performing Operations |
Solution |
Easy |
628. Maximum Product of Three Numbers |
Solution |
Easy |
905. Sort Array By Parity |
Solution |
Easy |
922. Sort Array By Parity II |
Solution |
Easy |
561. Array Partition I |
Solution |
Easy |
455. Assign Cookies |
Solution |
Easy |
1051. Height Checker |
Solution |
Easy |
976. Largest Perimeter Triangle |
Solution |
Easy |
977. Squares of a Sorted Array |
Solution |
Easy |
1342. Number of Steps to Reduce a Number to Zero (#Recursion) |
Solution |
Easy |
344. Reverse String (#Recursion) |
Solution |
Easy |
509. Fibonacci Number (#DP) |
Solution |
Easy |
326. Power of Three (#Recursion) |
Solution |
Easy |
342. Power of Four (#Recursion) |
Solution |
Easy |
21. Merge Two Sorted Lists (#Recursion) |
Solution |
Easy |
203. Remove Linked List Elements (#Recursion) |
Solution |
Easy |
206. Reverse Linked List (#Recursion) |
Solution |
Easy |
234. Palindrome Linked List (#Recursion) |
Solution |
Easy |
1137. N-th Tribonacci Number (#DP) |
Solution |
Easy |
70. Climbing Stairs (#DP) |
Solution |
Easy |
746. Min Cost Climbing Stairs (#DP) |
Solution |
Easy |
796. Rotate String |
Solution |
Easy |
94. Binary Tree Inorder Traversal(#TREE) |
Solution |
Easy |
783. Minimum Distance Between BST Nodes(#TREE) |
Solution |
Easy |
671. Second Minimum Node In a Binary Tree(#TREE) |
Solution |
Easy |
112. Path Sum(#TREE) |
Solution |
Easy |
144. Binary Tree Preorder Traversal(#TREE) |
Solution |
Easy |
226. Invert Binary Tree(#TREE) |
Solution |
Easy |
572. Subtree of Another Tree(#TREE) |
Solution |
Easy |
938. Range Sum of BST (#TREE) |
Solution |
Easy |
101. Symmetric Tree(#TREE) |
Solution |
Easy |
108. Convert Sorted Array to Binary Search Tree(#TREE) |
Solution |
Easy |
617. Merge Two Binary Trees(#TREE) |
Solution |
Easy |
104. Maximum Depth of Binary Tree(#TREE) |
Solution |
Easy |
100. Same Tree(#TREE) |
Solution |
Easy |
530. Minimum Absolute Difference in BST (#TREE) |
Solution |
Easy |
404. Sum of Left Leaves (#TREE) |
Solution |
Easy |
110. Balanced Binary Tree (#TREE) |
Solution |
Easy |
257. Binary Tree Paths(#Tree) |
Solution |
Easy |
1025. Divisor Game (#DP) |
Solution |
Easy |
121. Best Time to Buy and Sell Stock |
Solution |
Easy |
724. Find Pivot Index |
Solution |
Easy |
118. Pascal’s Triangle (#Important) |
Solution |
Easy |
415. Add Strings |
Solution |
Easy |
242. Valid Anagram |
Solution |
Easy |
409. Longest Palindrome |
Solution |
Easy |
67. Add Binary |
Solution |
Easy |
202. Happy Number |
Solution |
Easy |
844. Backspace String Compare (#Stack) |
Solution |
Easy |
496. Next Greater Element I (#Stack) |
Solution |
Easy |
387. First Unique Character in a String |
Solution |
Easy |
485. Max Consecutive Ones |
Solution |
Easy |
383. Ransom Note |
Solution |
Easy |
941. Valid Mountain Array |
Solution |
Easy |
27. Remove Element |
Solution |
Easy |
136. Single Number |
Solution |
Easy |
645. Set Mismatch |
Solution |
Easy |
1252. Cells with Odd Values in a Matrix |
Solution |
Easy |
1389. Create Target Array in the Given Order |
Solution |
Easy |
1512. Number of Good Pairs |
Solution |
Easy |
145. Binary Tree Postorder Traversal |
Solution |
Easy |
448. Find All Numbers Disappeared in an Array |
Solution |
Easy |
637. Average of Levels in Binary Tree(#Tree) |
Solution |
Easy |
925. Long Pressed Name |
Solution |
Easy |
1002. Find Common Characters |
Solution |
Easy |
1200. Minimum Absolute Difference |
Solution |
Easy |
653. Two Sum IV - Input is a BST |
Solution |
Easy |
190. Reverse Bits |
Solution |
Easy |
191. Number of 1 Bits |
Solution |
Easy |
1523. Count Odd Numbers in an Interval Range |
Solution |
Easy |
1491. Average Salary Excluding the Minimum and Maximum Salary |
Solution |
Easy |
1281. Subtract the Product and Sum of Digits of an Integer |
Solution |
Easy |
219. Contains Duplicate II |
Solution |
Easy |
2068. Check Whether Two Strings are Almost Equivalent |
Solution |
Easy |
766. Toeplitz Matrix |
Solution |
Easy |
1380. Lucky Numbers in a Matrix |
Solution |
Easy |
1323. Maximum 69 Number |
Solution |
Easy |
1544. Make The String Great |
Solution |
Easy |
1047. Remove All Adjacent Duplicates In String |
Solution |
Easy |
2465. Number of Distinct Averages |
Solution |
Easy |
263. Ugly Number |
Solution |
Easy |
1207. Unique Number of Occurrences |
Solution |
Easy |
872. Leaf-Similar Trees |
Solution |
Easy |
1971. Find if Path Exists in Graph |
Solution |
Easy |
2389. Longest Subsequence With Limited Sum |
Solution |
Easy |
290. Word Pattern |
Solution |
Easy |
520. Detect Capital |
Solution |
Easy |
944. Delete Columns to Make Sorted |
Solution |
Easy |
232. Implement Queue using Stacks |
Solution |
Easy |
605. Can Place Flowers |
Solution |
Easy |
189. Rotate Array |
Solution |
Easy |
2605. Form Smallest Number From Two Digit Arrays |
Solution |
Easy |
1046. Last Stone Weight |
Solution |
Easy |
258. Add Digits |
Solution |
Easy |
1822. Sign of the Product of an Array |
Solution |
Easy |
2215. Find the Difference of Two Arrays |
Solution |
Easy |
392. Is Subsequence |
Solution |
Easy |
205. Isomorphic Strings(HashMap) |
Solution |
Easy |
228. Summary Ranges |
Solution |
Easy |
705. Design HashSet |
Solution |
Easy |
1232. Check If It Is a Straight Line |
Solution |
Easy |
1502. Can Make Arithmetic Progression From Sequence |
Solution |
Easy |
1351. Count Negative Numbers in a Sorted Matrix |
Solution |
Easy |
859. Buddy Strings |
Solution |
Easy |
111. Minimum Depth of Binary Tree |
Solution |
Easy |
459. Repeated Substring Pattern |
Solution |
Easy |
225. Implement Stack using Queues |
Solution |
Easy |
1337. The K Weakest Rows in a Matrix |
Solution |
Easy |
389. Find the Difference |
Solution |
Easy |
706. Design HashMap |
Solution |
Easy |
|
Solution |
Easy |
|
Solution |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Medium |
80. Remove Duplicates from Sorted Array II |
Solution |
Medium |
34. Find First and Last Position of Element in Sorted Array |
Solution |
Medium |
162. Find Peak Element |
Solution |
Medium |
167. Two Sum II - Input Array Is Sorted |
Solution |
Medium |
78. Subsets (#Backtraking) |
Solution |
Medium |
90. Subsets II (#Backtraking) |
Solution |
Medium |
46. Permutations(#Backtraking) |
Solution |
Medium |
47. Permutations II (#Backtraking) |
Solution |
Medium |
131. Palindrome Partitioning (#Backtraking) |
Solution |
Medium |
39. Combination Sum (#Backtraking) |
Solution |
Medium |
40. Combination Sum II(#Backtraking) |
Solution |
Medium |
494. Target Sum (#Recursion) |
Solution |
Medium |
1922. Count Good Numbers (#Recursion) |
Solution |
Medium |
62. Unique Paths (#DP) |
Solution |
Medium |
63. Unique Paths II (#DP) |
Solution |
Medium |
64. Minimum Path Sum (#DP) |
Solution |
Medium |
139. Word Break (#DP) |
Solution |
Medium |
151. Reverse Words in a String |
Solution |
Medium |
543. Diameter of Binary Tree(#Tree) |
Solution |
Medium |
98. Validate Binary Search Tree(#Tree) |
Solution |
Medium |
113. Path Sum II(#Tree) |
Solution |
Medium |
2. Add Two Numbers(#LL) |
Solution |
Medium |
77. Combinations (#Backtraking) |
Solution |
Medium |
526. Beautiful Arrangement (#DP) |
Solution |
Medium |
338. Counting Bits (#DP) |
Solution |
Medium |
53. Maximum Subarray |
Solution |
Medium |
852. Peak Index in a Mountain Array |
Solution |
Medium |
7. Reverse Integer |
Solution |
Medium |
453. Minimum Moves to Equal Array Elements(#MATH) |
Solution |
Medium |
89. Gray Code |
Solution |
Medium |
3. Longest Substring Without Repeating Characters(#String) |
Solution |
Medium |
122. Best Time to Buy and Sell Stock II |
Solution |
Medium |
15. 3Sum |
Solution |
Medium |
238. Product of Array Except Self |
Solution |
Medium |
56. Merge Intervals(#Array) |
Solution |
Medium |
54. Spiral Matrix(#Array) |
Solution |
Medium |
560. Subarray Sum Equals K (#Array) |
Solution |
Medium |
31. Next Permutation(#Array) |
Solution |
Medium |
11. Container With Most Water(#Array) |
Solution |
Medium |
48. Rotate Image(#Array) |
Solution |
Medium |
79. Word Search (#Array) |
Solution |
Medium |
16. 3Sum Closest (#Array) |
Solution |
Medium |
287. Find the Duplicate Number (#Array) |
Solution |
Medium |
289. Game of Life(#Array) |
Solution |
Medium |
18. 4Sum (#Array) |
Solution |
Medium |
1010. Pairs of Songs With Total Durations Divisible by 60 (#Array) |
Solution |
Medium |
1423. Maximum Points You Can Obtain from Cards (#Array) |
Solution |
Medium |
1465. Maximum Area of a Piece of Cake After Horizontal and Vertical Cuts (#Array) |
Solution |
Medium |
695. Max Area of Island (#Array) |
Solution |
Medium |
532. K-diff Pairs in an Array (#Array) |
Solution |
Medium |
1169. Invalid Transactions (#Array) |
Solution |
Medium |
55. Jump Game (#Array) |
Solution |
Medium |
200. Number of Islands |
Solution |
Medium |
73. Set Matrix Zeroes |
Solution |
Medium |
33. Search in Rotated Sorted Array |
Solution |
Medium |
36. Valid Sudoku |
Solution |
Medium |
417. Pacific Atlantic Water Flow |
Solution |
Medium |
1249. Minimum Remove to Make Valid Parentheses (#String) |
Solution |
Medium |
5. Longest Palindromic Substring (#String) |
Solution |
Medium |
49. Group Anagrams (#String) |
Solution |
Medium |
227. Basic Calculator II (#String) |
Solution |
Medium |
12. Integer to Roman (#String) |
Solution |
Medium |
71. Simplify Path (#String) |
Solution |
Medium |
28. Find the Index of the First Occurrence in a String (#String) |
Solution |
Medium |
429. N-ary Tree Level Order Traversal (#Tree) |
Solution |
Medium |
814. Binary Tree Pruning (#Tree) |
Solution |
Medium |
1996. The Number of Weak Characters in the Game |
Solution |
Medium |
179. Largest Number |
Solution |
Medium |
948. Bag of Tokens |
Solution |
Medium |
1383. Maximum Performance of a Team |
Solution |
Medium |
985. Sum of Even Numbers After Queries |
Solution |
Medium |
718. Maximum Length of Repeated Subarray |
Solution |
Medium |
1680. Concatenation of Consecutive Binary Numbers |
Solution |
Medium |
763. Partition Labels |
Solution |
Medium |
19. Remove Nth Node From End of List |
Solution |
Medium |
838. Push Dominoes |
Solution |
Medium |
1155. Number of Dice Rolls With Target Sum |
Solution |
Medium |
623. Add One Row to Tree |
Solution |
Medium |
981. Time Based Key-Value Store |
Solution |
Medium |
729. My Calendar I |
Solution |
Medium |
334. Increasing Triplet Subsequence |
Solution |
Medium |
2095. Delete the Middle Node of a Linked List |
Solution |
Medium |
1531. String Compression II |
Solution |
Medium |
443. String Compression |
Solution |
Medium |
692. Top K Frequent Words (#Comparator) |
Solution |
Medium |
1239. Maximum Length of a Concatenated String with Unique Characters |
Solution |
Medium |
523. Continuous Subarray Sum |
Solution |
Medium |
2300. Successful Pairs of Spells and Potions |
Solution |
Medium |
1706. Where Will the Ball Fall |
Solution |
Medium |
433. Minimum Genetic Mutation |
Solution |
Medium |
2131. Longest Palindrome by Concatenating Two Letter Words |
Solution |
Medium |
2461. Maximum Sum of Distinct Subarrays With Length K |
Solution |
Medium |
137. Single Number II |
Solution |
Medium |
260. Single Number III |
Solution |
Medium |
901. Online Stock Span |
Solution |
Medium |
947. Most Stones Removed with Same Row or Column |
Solution |
Medium |
222. Count Complete Tree Nodes |
Solution |
Medium |
223. Rectangle Area |
Solution |
Medium |
1926. Nearest Exit from Entrance in Maze |
Solution |
Medium |
279. Perfect Squares |
Solution |
Medium |
907. Sum of Subarray Minimums |
Solution |
Medium |
2225. Find Players With Zero or One Losses |
Solution |
Medium |
380. Insert Delete GetRandom O(1) |
Solution |
Medium |
1657. Determine if Two Strings Are Close |
Solution |
Medium |
451. Sort Characters By Frequency |
Solution |
Medium |
2256. Minimum Average Difference |
Solution |
Medium |
328. Odd Even Linked List |
Solution |
Medium |
1026. Maximum Difference Between Node and Ancestor |
Solution |
Medium |
1339. Maximum Product of Splitted Binary Tree |
Solution |
Medium |
1143. Longest Common Subsequence |
Solution |
Medium |
150. Evaluate Reverse Polish Notation |
Solution |
Medium |
739. Daily Temperatures |
Solution |
Medium |
841. Keys and Rooms |
Solution |
Medium |
886. Possible Bipartition |
Solution |
Medium |
2279. Maximum Bags With Full Capacity of Rocks |
Solution |
Medium |
1962. Remove Stones to Minimize the Total |
Solution |
Medium |
1877. Minimize Maximum Pair Sum in Array |
Solution |
Medium |
2244. Minimum Rounds to Complete All Tasks |
Solution |
Medium |
452. Minimum Number of Arrows to Burst Balloons |
Solution |
Medium |
1833. Maximum Ice Cream Bars |
Solution |
Medium |
134. Gas Station |
Solution |
Medium |
1443. Minimum Time to Collect All Apples in a Tree |
Solution |
Medium |
926. Flip String to Monotone Increasing |
Solution |
Medium |
974. Subarray Sums Divisible by K |
Solution |
Medium |
93. Restore IP Addresses |
Solution |
Medium |
904. Fruit Into Baskets |
Solution |
Medium |
442. Find All Duplicates in an Array |
Solution |
Medium |
1162. As Far from Land as Possible |
Solution |
Medium |
382. Linked List Random Node |
Solution |
Medium |
109. Convert Sorted List to Binary Search Tree |
Solution |
Medium |
129. Sum Root to Leaf Numbers |
Solution |
Medium |
958. Check Completeness of a Binary Tree |
Solution |
Medium |
106. Construct Binary Tree from Inorder and Postorder Traversal |
Solution |
Medium |
208. Implement Trie (Prefix Tree) |
Solution |
Medium |
1472. Design Browser History |
Solution |
Medium |
216. Combination Sum III |
Solution |
Medium |
2348. Number of Zero-Filled Subarrays |
Solution |
Medium |
1466. Reorder Routes to Make All Paths Lead to the City Zero |
Solution |
Medium |
2606. Find the Substring With Maximum Cost |
Solution |
Medium |
2405. Optimal Partition of String |
Solution |
Medium |
2439. Minimize Maximum of Array |
Solution |
Medium |
1254. Number of Closed Islands |
Solution |
Medium |
1020. Number of Enclaves |
Solution |
Medium |
2390. Removing Stars From a String |
Solution |
Medium |
516. Longest Palindromic Subsequence |
Solution |
Medium |
662. Maximum Width of Binary Tree |
Solution |
Medium |
2336. Smallest Number in Infinite Set |
Solution |
Medium |
319. Bulb Switcher |
Solution |
Medium |
649. Dota2 Senate |
Solution |
Medium |
1456. Maximum Number of Vowels in a Substring of Given Length |
Solution |
Medium |
1498. Number of Subsequences That Satisfy the Given Sum Condition |
Solution |
Medium |
59. Spiral Matrix II |
Solution |
Medium |
1035. Uncrossed Lines (DP) |
Solution |
Medium |
128. Longest Consecutive Sequence |
Solution |
Medium |
2140. Solving Questions With Brainpower |
Solution |
Medium |
2466. Count Ways To Build Good Strings |
Solution |
Medium |
155. Min Stack |
Solution |
Medium |
24. Swap Nodes in Pairs(LL) |
Solution |
Medium |
2130. Maximum Twin Sum of a Linked List |
Solution |
Medium |
1557. Minimum Number of Vertices to Reach All Nodes |
Solution |
Medium |
785. Is Graph Bipartite? |
Solution |
Medium |
837. New 21 Game |
Solution |
Medium |
1140. Stone Game II |
Solution |
Medium |
1396. Design Underground System |
Solution |
Medium |
1091. Shortest Path in Binary Matrix |
Solution |
Medium |
2101. Detonate the Maximum Bombs |
Solution |
Medium |
1376. Time Needed to Inform All Employees |
Solution |
Medium |
547. Number of Provinces |
Solution |
Medium |
1318. Minimum Flips to Make a OR b Equal to c |
Solution |
Medium |
1802. Maximum Value at a Given Index in a Bounded Array |
Solution |
Medium |
1146. Snapshot Array |
Solution |
Medium |
2352. Equal Row and Column Pairs |
Solution |
Medium |
1161. Maximum Level Sum of a Binary Tree |
Solution |
Medium |
2090. K Radius Subarray Averages |
Solution |
Medium |
714. Best Time to Buy and Sell Stock with Transaction Fee |
Solution |
Medium |
1027. Longest Arithmetic Subsequence |
Solution |
Medium |
2462. Total Cost to Hire K Workers |
Solution |
Medium |
373. Find K Pairs with Smallest Sums |
Solution |
Medium |
1514. Path with Maximum Probability |
Solution |
Medium |
2305. Fair Distribution of Cookies |
Solution |
Medium |
1493. Longest Subarray of 1’s After Deleting One Element |
Solution |
Medium |
2024. Maximize the Confusion of an Exam |
Solution |
Medium |
802. Find Eventual Safe States |
Solution |
Medium |
1218. Longest Arithmetic Subsequence of Given Difference |
Solution |
Medium |
445. Add Two Numbers II |
Solution |
Medium |
146. LRU Cache |
Solution |
Medium |
435. Non-overlapping Intervals |
Solution |
Medium |
735. Asteroid Collision |
Solution |
Medium |
673. Number of Longest Increasing Subsequence |
Solution |
Medium |
894. All Possible Full Binary Trees |
Solution |
Medium |
767. Reorganize String |
Solution |
Medium |
486. Predict the Winner |
Solution |
Medium |
2079. Watering Plants |
Solution |
Medium |
2811. Check if it is Possible to Split Array |
Solution |
Medium |
74. Search a 2D Matrix |
Solution |
Medium |
2616. Minimize the Maximum Difference of Pairs |
Solution |
Medium |
81. Search in Rotated Sorted Array II |
Solution |
Medium |
518. Coin Change II |
Solution |
Medium |
1282. Group the People Given the Group Size They Belong To |
Solution |
Medium |
2369. Check if There is a Valid Partition For The Array |
Solution |
Medium |
86. Partition List |
Solution |
Medium |
1615. Maximal Network Rank |
Solution |
Medium |
97. Interleaving String |
Solution |
Medium |
646. Maximum Length of Pair Chain |
Solution |
Medium |
2483. Minimum Penalty for a Shop |
Solution |
Medium |
2707. Extra Characters in a String |
Solution |
Medium |
377. Combination Sum IV |
Solution |
Medium |
1647. Minimum Deletions to Make Character Frequencies Unique |
Solution |
Medium |
6. Zigzag Conversion |
Solution |
Medium |
1584. Min Cost to Connect All Points |
Solution |
Medium |
1631. Path With Minimum Effort |
Solution |
Medium |
1658. Minimum Operations to Reduce X to Zero |
Solution |
Medium |
1048. Longest String Chain |
Solution |
Medium |
799. Champagne Tower |
Solution |
Medium |
316. Remove Duplicate Letters |
Solution |
Medium |
880. Decoded String at Index |
Solution |
Medium |
50. Pow(x, n) |
Solution |
Medium |
456. 132 Pattern |
Solution |
Medium |
2038. Remove Colored Pieces if Both Neighbors are the Same Color |
Solution |
Medium |
229. Majority Element II |
Solution |
Medium |
343. Integer Break |
Solution |
Medium |
|
Solution |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Hard |
140. Word Break II (DP + DFS) |
Solution |
Hard |
41. First Missing Positive |
Solution |
Hard |
732. My Calendar III |
Solution |
Hard |
1335. Minimum Difficulty of a Job Schedule |
Solution |
Hard |
2136. Earliest Possible Day of Full Bloom |
Solution |
Hard |
1293. Shortest Path in a Grid with Obstacles Elimination |
Solution |
Hard |
212. Word Search II |
Solution |
Hard |
899. Orderly Queue |
Solution |
Hard |
295. Find Median from Data Stream |
Solution |
Hard |
587. Erect the Fence |
Solution |
Hard |
224. Basic Calculator |
Solution |
Hard |
1235. Maximum Profit in Job Scheduling |
Solution |
Hard |
446. Arithmetic Slices II - Subsequence |
Solution |
Hard |
834. Sum of Distances in Tree |
Solution |
Hard |
980. Unique Paths III |
Solution |
Hard |
149. Max Points on a Line |
Solution |
Hard |
2246. Longest Path With Different Adjacent Characters |
Solution |
Hard |
2306. Naming a Company |
Solution |
Hard |
72. Edit Distance |
Solution |
Hard |
2444. Count Subarrays With Fixed Bounds |
Solution |
Hard |
1345. Jump Game IV |
Solution |
Hard |
23. Merge k Sorted Lists |
Solution |
Hard |
1857. Largest Color Value in a Directed Graph |
Solution |
Hard |
879. Profitable Schemes |
Solution |
Hard |
839. Similar String Groups |
Solution |
Hard |
1697. Checking Existence of Edge Length Limited Paths |
Solution |
Hard |
135. Candy |
Solution |
Hard |
1799. Maximize Score After N Operations |
Solution |
Hard |
1721. Swapping Nodes in a Linked List(LINKED_LIST) |
Solution |
Hard |
124. Binary Tree Maximum Path Sum |
Solution |
Hard |
1406. Stone Game III |
Solution |
Hard |
1547. Minimum Cost to Cut a Stick |
Solution |
Hard |
1569. Number of Ways to Reorder Array to Get Same BST |
Solution |
Hard |
1187. Make Array Strictly Increasing |
Solution |
Hard |
2448. Minimum Cost to Make Array Equal |
Solution |
Hard |
956. Tallest Billboard |
Solution |
Hard |
1575. Count All Possible Routes |
Solution |
Hard |
864. Shortest Path to Get All Keys |
Solution |
Hard |
1970. Last Day Where You Can Still Cross |
Solution |
Hard |
1601. Maximum Number of Achievable Transfer Requests |
Solution |
Hard |
2551. Put Marbles in Bags |
Solution |
Hard |
2272. Substring With Largest Variance |
Solution |
Hard |
1751. Maximum Number of Events That Can Be Attended II |
Solution |
Hard |
1125. Smallest Sufficient Team |
Solution |
Hard |
2141. Maximum Running Time of N Computers |
Solution |
Hard |
664. Strange Printer |
Solution |
Hard |
920. Number of Music Playlists |
Solution |
Hard |
239. Sliding Window Maximum |
Solution |
Hard |
68. Text Justification |
Solution |
Hard |
403. Frog Jump |
Solution |
Hard |
2366. Minimum Replacements to Sort the Array |
Solution |
Hard |
1326. Minimum Number of Taps to Open to Water a Garden |
Solution |
Hard |
1359. Count All Valid Pickup and Delivery Options |
Solution |
Hard |
332. Reconstruct Itinerary |
Solution |
Hard |
847. Shortest Path Visiting All Nodes |
Solution |
Hard |
4. Median of Two Sorted Arrays |
Solution |
Hard |
|
Solution |