Files

1. Two Sum.cpp
100. Same Tree.cpp
1002. Find Common Characters.cpp
1026. Maximum Difference Between Node and Ancestor.cpp
1027. Longest Arithmetic Subsequence.cpp
1035. Uncrossed Lines.cpp
1038. Binary Search Tree to Greater Sum Tree.cpp
1043. Partition Array for Maximum Sum.cpp
1048. Longest String Chain.cpp
1051. Height Checker.cpp
1052. Grumpy Bookstore Owner.cpp
1074. Number of Submatrices That Sum to Target.cpp
1081. Smallest Subsequence of Distinct Characters.cpp
1091. Shortest Path in Binary Matrix.cpp
1095. Find in Mountain Array.cpp
111. Minimum Depth of Binary Tree.cpp
1110. Delete Nodes And Return Forest.cpp
112. Path Sum.cpp
1122. Relative Sort Array.cpp
1125. Smallest Sufficient Team.cpp
1137. N-th Tribonacci Number.cpp
1140. Stone Game II.cpp
1140. Stone2 Game2 II.cpp
1143. Longest Common Subsequence.cpp
1146. Snapshot Array.cpp
1155. Number of Dice Rolls With Target Sum.cpp
1160. Find Words That Can Be Formed by Characters.cpp
1161. Maximum Level Sum of a Binary Tree.cpp
1171. Remove Zero Sum Consecutive Nodes from Linked List.cpp
118. Pascal's Triangle.cpp
1187. Make Array Strictly Increasing.cpp
119. Pascal's Triangle II.cpp
1190. Reverse Substrings Between Each Pair of Parentheses.cpp
1203. Sort Items by Groups Respecting Dependencies.cpp
1207. Unique Number of Occurrences.cpp
1208. Get Equal Substrings Within Budget.cpp
1219. Path with Maximum Gold.cpp
1220. Count Vowels Permutation.cpp
1232. Check If It Is a Straight Line.cpp
1235. Maximum Profit in Job Scheduling.cpp
1239. Maximum Length of a Concatenated String with Unique Characters.cpp
1248. Count Number of Nice Subarrays.cpp
1249. Minimum Remove to Make Valid Parentheses.cpp
1255. Maximum Score Words Formed by Letters.cpp
1266. Minimum Time Visiting All Points.cpp
1269. Number of Ways to Stay in the Same Place After Some Steps.cpp
1282. Group the People Given the Group Size They Belong To.cpp
1287. Element Appearing More Than 25% In Sorted Array.cpp
1289. Minimum Falling Path Sum II.cpp
129. Sum Root to Leaf Numbers.cpp
1291. Sequential Digits.cpp
131. Palindrome Partitioning.cpp
1310. XOR Queries of a Subarray.cpp
1318. Minimum Flips to Make a OR b Equal to c.cpp
1325. Delete Leaves With a Given Value.cpp
1326. Minimum Number of Taps to Open to Water a Garden.cpp
1334. Find the City With the Smallest Number of Neighbors at a Threshold Distance.cpp
1335. Minimum Difficulty of a Job Schedule.cpp
1337. The K Weakest Rows in a Matrix.cpp
1347. Minimum Number of Steps to Make Two Strings Anagram.cpp
135. Candy.cpp
1351. Count Negative Numbers in a Sorted Matrix.cpp
1356. Sort Integers by The Number of 1 Bits.cpp
1359. Count All Valid Pickup and Delivery Options.cpp
1361. Validate Binary Tree Nodes.cpp
137. Single Number II.cpp
1376. Time Needed to Inform All Employees.cpp
138. Copy List with Random Pointer.cpp
1380. Lucky Numbers in a Matrix.cpp
1382. Balance a Binary Search Tree.cpp
139. Word Break.cpp
1395. Count Number of Teams.cpp
1396. Design Underground System.cpp
140. Word Break II.cpp
1404. Number of Steps to Reduce a Number in Binary Representation to One.cpp
1406. Stone Game III.cpp
141. Linked List Cycle.cpp
141. Linked List Cycle1.cpp
1420. Build Array Where You Can Find The Maximum Exactly K Comparisons.cpp
1422. Maximum Score After Splitting a String.cpp
1424. Diagonal Traverse II.cpp
1425. Constrained Subsequence Sum.cpp
143. Reorder List.cpp
1436. Destination City.cpp
1438. Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit.cpp
1441. Build an Array With Stack Operations.cpp
1442. Count Triplets That Can Form Two Arrays of Equal XOR.cpp
1457. Pseudo-Palindromic Paths in a Binary Tree.cpp
1458. Max Dot Product of Two Subsequences.cpp
146. LRU Cache.cpp
1460. Make Two Arrays Equal by Reversing Subarrays.cpp
1463. Cherry Pickup II.cpp
1464. Maximum Product of Two Elements in an Array.cpp
1481. Least Number of Unique Integers after K Removals.cpp
1482. Minimum Number of Days to Make m Bouquets.cpp
1489. Find Critical and Pseudo-Critical Edges in Minimum Spanning Tree.cpp
1493. Longest Subarray of 1's After Deleting One Element.cpp
1496. Path Crossing.cpp
150. Evaluate Reverse Polish Notation.cpp
1502. Can Make Arithmetic Progression From Sequence.cpp
1503. Last Moment Before All Ants Fall Out of a Plank.cpp
1508. Range Sum of Sorted Subarray Sums.cpp
1509. Minimum Difference Between Largest and Smallest Value in Three Moves.cpp
1512. Number of Good Pairs.cpp
1514. Path with Maximum Probability.cpp
1518. Water Bottles.cpp
1530. Number of Good Leaf Nodes Pairs.cpp
1531. String Compression II.cpp
1535. Find the Winner of an Array Game.cpp
1544. Make The String Great.cpp
1547. Minimum Cost to Cut a Stick.cpp
1550. Three Consecutive Odds.cpp
1552. Magnetic Force Between Two Balls.cpp
1557. Minimum Number of Vertices to Reach All Nodes.cpp
1561. Maximum Number of Coins You Can Get.cpp
1568. Minimum Number of Days to Disconnect Island.cpp
1569. Number of Ways to Reorder Array to Get Same BST.cpp
1575. Count All Possible Routes.cpp
1578. Minimum Time to Make Rope Colorful.cpp
1579. Remove Max Number of Edges to Keep Graph Fully Traversable.cpp
1582. Special Positions in a Binary Matrix.cpp
1584. Min Cost to Connect All Points.cpp
1598. Crawler Log Folder.cpp
1601. Maximum Number of Achievable Transfer Requests.cpp
1603. Design Parking System.cpp
1605. Find Valid Matrix Given Row and Column Sums.cpp
1608. Special Array With X Elements Greater Than or Equal X.cpp
1609. Even Odd Tree.cpp
1611. Minimum One Bit Operations to Make Integers Zero.cpp
1614. Maximum Nesting Depth of the Parentheses.cpp
1615. Maximal Network Rank.cpp
1624. Largest Substring Between Two Equal Characters.cpp
1630. Arithmetic Subarrays.cpp
1631. Path With Minimum Effort.cpp
1636. Sort Array by Increasing Frequency.cpp
1637. Widest Vertical Area Between Two Points Containing No Points.cpp
1642. Furthest Building You Can Reach.cpp
1647. Minimum Deletions to Make Character Frequencies Unique.cpp
165. Compare Version Numbers.cpp
1653. Minimum Deletions to Make String Balanced.cpp
1657. Determine if Two Strings Are Close.cpp
1658. Minimum Operations to Reduce X to Zero.cpp
1662. Check If Two String Arrays are Equivalent.cpp
1669. Merge In Between Linked Lists.cpp
168. Excel Sheet Column Title.cpp
1684. Count the Number of Consistent Strings.cpp
1685. Sum of Absolute Differences in a Sorted Array.cpp
169. Majority Element.cpp
17. Letter Combinations of a Phone Number.cpp
1700. Number of Students Unable to Eat Lunch.cpp
1701. Average Waiting Time.cpp
1704. Determine if String Halves Are Alike.cpp
1716. Calculate Money in Leetcode Bank.cpp
1717. Maximum Score From Removing Substrings.cpp
1721. Swapping Nodes in a Linked List.cpp
1727. Largest Submatrix With Rearrangements.cpp
1732. Find the Highest Altitude.cpp
1743. Restore the Array From Adjacent Pairs.cpp
1750. Minimum Length of String After Deleting Similar Ends.cpp
1751. Maximum Number of Events That Can Be Attended II.cpp
1758. Minimum Changes To Make Alternating Binary String.cpp
1759. Count Number of Homogenous Substrings.cpp
1791. Find Center of Star Graph.cpp
1793. Maximum Score of a Good Subarray.cpp
1799. Maximize Score After N Operations.cpp
1802. Maximum Value at a Given Index in a Bounded Array.cpp
1814. Count Nice Pairs in an Array.cpp
1823. Find the Winner of the Circular Game.cpp
1838. Frequency of the Most Frequent Element.cpp
1845. Seat Reservation Manager.cpp
1846. Maximum Element After Decreasing and Rearranging.cpp
1863. Sum of All Subset XOR Totals.cpp
1870. Minimum Speed to Arrive on Time.cpp
1877. Minimize Maximum Pair Sum in Array.cpp
1887. Reduction Operations to Make the Array Elements Equal.cpp
1897. Redistribute Characters to Make All Strings Equal.cpp
19. Remove Nth Node From End of List.cpp
1903. Largest Odd Number in String.cpp
191. Number of 1 Bits.cpp
1913. Maximum Product Difference Between Two Pairs.cpp
1915. Number of Wonderful Substrings.cpp
1921. Eliminate Maximum Number of Monsters.cpp
1930. Unique Length-3 Palindromic Subsequences.cpp
1937. Maximum Number of Points with Cost.cpp
1945. Sum of Digits of String After Convert.cpp
1970. Last Day Where You Can Still Cross.cpp
1971. Find if Path Exists in Graph.cpp
198. House Robber.cpp
1980. Find Unique Binary String.cpp
1992. Find All Groups of Farmland.cpp
2. Add Two Numbers.cpp
200. Number of Islands.cpp
2000. Reverse Prefix of Word.cpp
2009. Minimum Number of Operations to Make Array Continuous.cpp
201. Bitwise AND of Numbers Range.cpp
2024. Maximize the Confusion of an Exam.cpp
2028. Find Missing Observations.cpp
2037. Minimum Number of Moves to Seat Everyone.cpp
2038. Remove Colored Pieces if Both Neighbors are the Same Color.cpp
2045. Second Minimum Time to Reach Destination..cpp
205. Isomorphic Strings.cpp
2050. Parallel Courses III.cpp
2053. Kth Distinct String in an Array.cpp
2058. Find the Minimum and Maximum Number of Nodes Between Critical Points.cpp
206. Reverse Linked List.cpp
207. Course Schedule.cpp
2073. Time Needed to Buy Tickets.cpp
209. Minimum Size Subarray Sum.cpp
2090. K Radius Subarray Averages.cpp
2092. Find All People With Secret.cpp
2096. Step-By-Step Directions From a Binary Tree Node to Another.cpp
2101. Detonate the Maximum Bombs.cpp
2108. Find First Palindromic String in the Array.cpp
2125. Number of Laser Beams in a Bank.cpp
2130. Maximum Twin Sum of a Linked List.CPP
2134. Minimum Swaps to Group All 1's Together II.cpp
2140. Solving Questions With Brainpower.cpp
2141. Maximum Running Time of N Computers.cpp
2147. Number of Ways to Divide a Long Corridor.cpp
2149. Rearrange Array Elements by Sign.cpp
215. Kth Largest Element in an Array.cpp
2181. Merge Nodes in Between Zeros.cpp
2191. Sort the Jumbled Numbers.cpp
2192. All Ancestors of a Node in a Directed Acyclic Graph.cpp
2196. Create Binary Tree From Descriptions.cpp
2220. Minimum Bit Flips to Convert Number.cpp
2225. Find Players With Zero or One Losses.cpp
225. Implement Stack using Queues.cpp
2251. Number of Flowers in Full Bloom.cpp
2264. Largest 3-Same-Digit Number in String.cpp
2265. Count Nodes Equal to Average of Subtree.cpp
2272. Substring With Largest Variance.cpp
228. Summary Ranges.cpp
2285. Maximum Total Importance of Roads.cpp
229. Majority Element II.cpp
2305. Fair Distribution of Cookies.cpp
231. Power of Two.cpp
232. Implement Queue using Stacks.cpp
2326. Spiral Matrix IV.cpp
2328. Number of Increasing Paths in a Grid.cpp
2331. Evaluate Boolean Binary Tree
234. Palindrome Linked List.cpp
2352. Equal Row and Column Pairs.cpp
2353. Design a Food Rating System.cpp
2366. Minimum Replacements to Sort the Array.cpp
2369. Check if There is a Valid Partition For The Array.cpp
237. Delete Node in a Linked List.cpp
2370. Longest Ideal Subsequence.cpp
2373. Largest Local Values in a Matrix.cpp
238. Product of Array Except Self.cpp
2385. Amount of Time for Binary Tree to Be Infected.cpp
239. Sliding Window Maximum.cpp
2391. Minimum Amount of Time to Collect Garbage.cpp
2392. Build a Matrix With Conditions.cpp
24. Swap Nodes in Pairs.cpp
2402. Meeting Rooms III.cpp
2418. Sort the People.cpp
2419. Longest Subarray With Maximum Bitwise AND.cpp
242. Valid Anagram.cpp
2433. Find The Original Array of Prefix Xor.cpp
2441. Largest Positive Integer That Exists With Its Negative.cpp
2444. Count Subarrays With Fixed Bounds.cpp
2448. Minimum Cost to Make Array Equal.cpp
2462. Total Cost to Hire K Workers.cpp
2466. Count Ways To Build Good Strings.cpp
2482. Difference Between Ones and Zeros in Row and Column.cpp
2483. Minimum Penalty for a Shop.cpp
2485. Find the Pivot Integer.cpp
2486. Append Characters to String to Make Subsequence.cpp
2487. Remove Nodes From Linked List.cpp
2540. Minimum Common Value.cpp
2542. Maximum Subsequence Score.cpp
2551. Put Marbles in Bags.cpp
2582. Pass the Pillow.cpp
2597. The Number of Beautiful Subsets.cpp
2610. Convert an Array Into a 2D Array With Conditions.cpp
2616. Minimize the Maximum Difference of Pairs.cpp
264. Ugly Number II.cpp
2642. Design Graph With Shortest Path Calculator.cpp
2678. Number of Senior Citizens.cpp
268. Missing Number.cpp
2706. Buy Two Chocolates.cpp
2707. Extra Characters in a String.CPP
2709. Greatest Common Divisor Traversal.cpp
273. Integer to English Words.cpp
2742. Painting the Walls.cpp
2751. Robot Collisions.cpp
2785. Sort Vowels in a String.cpp
2812. Find the Safest Path in a Grid.cpp
2816. Double a Number Represented as a Linked List.cpp
2849. Determine if a Cell Is Reachable at a Given Time.cpp
2864. Maximum Odd Binary Number.cpp
287. Find the Duplicate Number.cpp
287. Find the Duplicate Number1.cpp
2870. Minimum Number of Operations to Make Array Empty.cpp
2958. Length of Longest Subarray With at Most K Frequency.cpp
2962. Count Subarrays Where Max Element Appears at Least K Times.cpp
2966. Divide Array Into Arrays With Max Difference.cpp
2971. Find Polygon With the Largest Perimeter.cpp
2976. Minimum Cost to Convert String I.cpp
2997. Minimum Number of Operations to Make Array XOR Equal to K.cpp
3. Longest Substring Without Repeating Characters.cpp
300. Longest Increasing Subsequence.cpp
3005. Count Elements With Maximum Frequency.cpp
3016. Minimum Number of Pushes to Type Word II.cpp
3068. Find the Maximum Sum of Node Values.cpp
3075. Maximize Happiness of Selected Children.cpp
310. Minimum Height Trees.cpp
3110. Score of a String.cpp
316. Remove Duplicate Letters.cpp
33. Search in Rotated Sorted Array.cpp
330. Patching Array.cpp
332. Reconstruct Itinerary.cpp
338. Counting Bits.cpp
34. Find First and Last Position of Element in Sorted Array.cpp
341. Flatten Nested List Iterator.cpp
342. Power of Four.cpp
343. Integer Break.cpp
344. Reverse String.cpp
347. Top K Frequent Elements.cpp
349. Intersection of Two Arrays.cpp
350. Intersection of Two Arrays II.cpp
368. Largest Divisible Subset.cpp
373. Find K Pairs with Smallest Sums.cpp
377. Combination Sum IV.cpp
380. Insert Delete GetRandom O(1).cpp
387. First Unique Character in a String.cpp
389. Find the Difference.cpp
392. Is Subsequence.cpp
399. Evaluate Division.cpp
4. Median of Two Sorted Arrays.cpp
402. Remove K Digits.cpp
403. Frog Jump.cpp
404. Sum of Left Leaves.cpp
409. Longest Palindrome.cpp
41. First Missing Positive.cpp
42. Trapping Rain Water.cpp
435. Non-overlapping Intervals.cpp
442. Find All Duplicates in an Array.cpp
445. Add Two Numbers II.cpp
446. Arithmetic Slices II - Subsequence.cpp
451. Sort Characters By Frequency.cpp
452. Minimum Number of Arrows to Burst Balloons.cpp
455. Assign Cookies.cpp
456. 132 Pattern.cpp
458. Poor Pigs.cpp
459. Repeated Substring Pattern.cpp
46. Permutations.cpp
463. Island Perimeter.cpp
476. Number Complement.cpp
486. Predict the Winner.cpp
49. Group Anagrams.cpp
5. Longest Palindromic Substring.cpp
5. Longest Palindromic Substring1.cpp
50. Pow(x, n).cpp
501. Find Mode in Binary Search Tree.cpp
502. IPO.cpp
506. Relative Ranks.cpp
513. Find Bottom Left Tree Value.cpp
514. Freedom Trail.cpp
515. Find Largest Value in Each Tree Row.cpp
518. Coin Change II.cpp
523. Continuous Subarray Sum.cpp
525. Contiguous Array.cpp
530. Minimum Absolute Difference in BST.cpp
542. 01 Matrix.cpp
543. Diameter of Binary Tree.cpp
547. Number of Provinces.cpp
552. Student Attendance Record II.cpp
557. Reverse Words in a String III.cpp
57. Insert Interval.cpp
576. Out of Boundary Paths.cpp
58. Length of Last Word.cpp
59. Spiral Matrix II.cpp
592. Fraction Addition and Subtraction.cpp
606. Construct String from Binary Tree.cpp
62. Unique Paths.cpp
621. Task Scheduler.cpp
623. Add One Row to Tree.cpp
624. Maximum Distance in Arrays.cpp
629. K Inverse Pairs Array.cpp
63. Unique Paths II.cpp
633. Sum of Square Numbers.cpp
645. Set Mismatch.cpp
646. Maximum Length of Pair Chain.cpp
647. Palindromic Substrings.cpp
648. Replace Words.cpp
650. 2 Keys Keyboard.cpp
661. Image Smoother.cpp
664. Strange Printer.cpp
664. Strange1 Printer1.cpp
673. Number of Longest Increasing Subsequence.cpp
678. Valid Parenthesis String.cpp
68. Text Justification.cpp
688. Knight Probability in Chessboard.cpp
70. Climbing Stairs.cpp
703. Kth Largest Element in a Stream.cpp
705. Design HashSet.cpp
706. Design HashMap.cpp
712. Minimum ASCII Delete Sum for Two Strings.cpp
713. Subarray Product Less Than K.cpp
714. Best Time to Buy and Sell Stock with Transaction Fee.cpp
719. Find K-th Smallest Pair Distance.cpp
725. Split Linked List in Parts.cpp
726. Number of Atoms.cpp
735. Asteroid Collision.cpp
739. Daily Temperatures.cpp
74. Search a 2D Matrix.cpp
744. Find Smallest Letter Greater Than Target.cpp
746. Min Cost Climbing Stairs.cpp
75. Sort Colors.cpp
752. Open the Lock.cpp
76. Minimum Window Substring.cpp
767. Reorganize String.cpp
77. Combinations.cpp
779. K-th Symbol in Grammar.cpp
78. Subsets.cpp
785. Is Graph Bipartite?.cpp
786. K-th Smallest Prime Fraction.cpp
787. Cheapest Flights Within K Stops.cpp
79. Word Search.cpp
791. Custom Sort String.cpp
799. Champagne Tower.cpp
802. Find Eventual Safe States.cpp
808. Soup Servings.cpp
81. Search in Rotated Sorted Array II.cpp
815. Bus Routes.cpp
823. Binary Trees With Factors.cpp
826. Most Profit Assigning Work.cpp
834. Sum of Distances in Tree.cpp
837. New 21 Game.cpp
840. Magic Squares In Grid.cpp
844. Backspace String Compare.cpp
846. Hand of Straights.cpp
847. Shortest Path Visiting All Nodes.cpp
85. Maximal Rectangle.cpp
852. Peak Index in a Mountain Array.cpp
857. Minimum Cost to Hire K Workers.cpp
859. Buddy Strings.cpp
86. Partition List.cpp
860. Lemonade Change.cpp
861. Score After Flipping Matrix.cpp
863. All Nodes Distance K in Binary Tree.cpp
864. Shortest Path to Get All Keys.cpp
867. Transpose Matrix.cpp
872. Leaf-Similar Trees.cpp
874. Walking Robot Simulation.cpp
876. Middle of the Linked List.cpp
880. Decoded String at Index.cpp
881. Boats to Save People.cpp
884. Uncommon Words from Two Sentences.cpp
885. Spiral Matrix III.cpp
894. All Possible Full Binary Trees.cpp
896. Monotonic Array.cpp
905. Sort Array By Parity.cpp
907. Sum of Subarray Minimums.cpp
91. Decode Ways.cpp
912. Sort an Array.cpp
92. Reverse Linked List II.cpp
920. Number of Music Playlists.cpp
930. Binary Subarrays With Sum.cpp
931. Minimum Falling Path Sum.cpp
934. Shortest Bridge.cpp
935. Knight Dialer.cpp
938. Range Sum of BST.cpp
94. Binary Tree Inorder Traversal.cpp
945. Minimum Increment to Make Array Unique.cpp
948. Bag of Tokens.cpp
95. Unique Binary Search Trees II.cpp
950. Reveal Cards In Increasing Order.cpp
956. Tallest Billboard.cpp
959. Regions Cut By Slashes.cpp
97. Interleaving String.cpp
974. Subarray Sums Divisible by K.cpp
977. Squares of a Sorted Array.cpp
979. Distribute Coins in Binary Tree.cpp
988. Smallest String Starting From Leaf.cpp
992. Subarrays with K Different Integers.cpp
995. Minimum Number of K Consecutive Bit Flips.cpp
997. Find the Town Judge.cpp
Code Testcase Test Result Test Result 1105. Filling Bookcase Shelves.cpp
Code Testcase Test Result Test Result 279. Perfect Squares.cpp
Single Number III.cpp

459. Repeated Substring Pattern.cpp