Files

codeforces
kickstart
leetcode-cn/面试题64. 求1+2+…+n
leetcode
- 1. Two Sum
- 10. Regular Expression Matching
- 100. Same Tree
- 1000. Minimum Cost to Merge Stones
- 1002. Find Common Characters
- 1003. Check If Word Is Valid After Substitutions
- 1004. Max Consecutive Ones III
- 1005. Maximize Sum Of Array After K Negations
- 1008. Construct Binary Search Tree from Preorder Traversal
- 101. Symmetric Tree
- 1010. Pairs of Songs With Total Durations Divisible by 60
- 1011. Capacity To Ship Packages Within D Days
- 1012. Complement of Base 10 Integer
- 1013. Partition Array Into Three Parts With Equal Sum
- 1014. Best Sightseeing Pair
- 1016. Binary String With Substrings Representing 1 To N
- 1017. Convert to Base -2
- 1018. Binary Prefix Divisible By 5
- 1019. Next Greater Node In Linked List
- 102. Binary Tree Level Order Traversal
- 1020. Number of Enclaves
- 1021. Remove Outermost Parentheses
- 1022. Sum of Root To Leaf Binary Numbers
- 1023. Camelcase Matching
- 1025. Divisor Game
- 1026. Maximum Difference Between Node and Ancestor
- 1027. Longest Arithmetic Sequence
- 1028. Recover a Tree From Preorder Traversal
- 1029. Two City Scheduling
- 103. Binary Tree Zigzag Level Order Traversal
- 1030. Matrix Cells in Distance Order
- 1031. Maximum Sum of Two Non-Overlapping Subarrays
- 1032. Stream of Characters
- 1033. Moving Stones Until Consecutive
- 1034. Coloring A Border
- 1035. Uncrossed Lines
- 1037. Valid Boomerang
- 1038. Binary Search Tree to Greater Sum Tree
- 1039. Minimum Score Triangulation of Polygon
- 104. Maximum Depth of Binary Tree
- 1041. Robot Bounded In Circle
- 1042. Flower Planting With No Adjacent
- 1043. Partition Array for Maximum Sum
- 1044. Longest Duplicate Substring
- 1046. Last Stone Weight
- 1047. Remove All Adjacent Duplicates In String
- 1048. Longest String Chain
- 1051. Height Checker
- 1052. Grumpy Bookstore Owner
- 1053. Previous Permutation With One Swap
- 1054. Distant Barcodes
- 106. Construct Binary Tree from Inorder and Postorder Traversal
- 107. Binary Tree Level Order Traversal II
- 1071. Greatest Common Divisor of Strings
- 1072. Flip Columns For Maximum Number of Equal Rows
- 1073. Adding Two Negabinary Numbers
- 1074. Number of Submatrices That Sum to Target
- 1078. Occurrences After Bigram
- 1079. Letter Tile Possibilities
- 108. Convert Sorted Array to Binary Search Tree
- 1080. Insufficient Nodes in Root to Leaf Paths
- 1081. Smallest Subsequence of Distinct Characters
- 1089. Duplicate Zeros
- 109. Convert Sorted List to Binary Search Tree
- 1090. Largest Values From Labels
- 1091. Shortest Path in Binary Matrix
- 1092. Shortest Common Supersequence
- 1094. Car Pooling
- 1096. Brace Expansion II
- 11. Container With Most Water
- 110. Balanced Binary Tree
- 1103. Distribute Candies to People
- 1104. Path In Zigzag Labelled Binary Tree
- 1105. Filling Bookcase Shelves
- 1106. Parsing A Boolean Expression
- 1108. Defanging an IP Address
- 1109. Corporate Flight Bookings
- 111. Minimum Depth of Binary Tree
- 1110. Delete Nodes And Return Forest
- 1111. Maximum Nesting Depth of Two Valid Parentheses Strings
- 112. Path Sum
- 1122. Relative Sort Array
- 1123. Lowest Common Ancestor of Deepest Leaves
- 1125. Smallest Sufficient Team
- 1128. Number of Equivalent Domino Pairs
- 113. Path Sum II
- 1130. Minimum Cost Tree From Leaf Values
- 1137. N-th Tribonacci Number
- 1139. Largest 1-Bordered Square
- 114. Flatten Binary Tree to Linked List
- 1140. Stone Game II
- 1143. Longest Common Subsequence
- 1146. Snapshot Array
- 115. Distinct Subsequences
- 1154. Day of the Year
- 1155. Number of Dice Rolls With Target Sum
- 116. Populating Next Right Pointers in Each Node
- 1160. Find Words That Can Be Formed by Characters
- 1161. Maximum Level Sum of a Binary Tree
- 1162. As Far from Land as Possible
- 1163. Last Substring in Lexicographical Order
- 1169. Invalid Transactions
- 117. Populating Next Right Pointers in Each Node II
- 1170. Compare Strings by Frequency of the Smallest Character
- 1175. Prime Arrangements
- 118. Pascal's Triangle
- 1184. Distance Between Bus Stops
- 1185. Day of the Week
- 1186. Maximum Subarray Sum with One Deletion
- 1187. Make Array Strictly Increasing
- 1189. Maximum Number of Balloons
- 119. Pascal's Triangle II
- 1190. Reverse Substrings Between Each Pair of Parentheses
- 12. Integer to Roman
- 1200. Minimum Absolute Difference
- 1202. Smallest String With Swaps
- 1203. Sort Items by Groups Respecting Dependencies
- 1207. Unique Number of Occurrences
- 1209. Remove All Adjacent Duplicates in String II
- 121. Best Time to Buy and Sell Stock
- 1210. Minimum Moves to Reach Target with Rotations
- 1217. Minimum Cost to Move Chips to The Same Position
- 1219. Path with Maximum Gold
- 122. Best Time to Buy and Sell Stock II
- 1220. Count Vowels Permutation
- 1221. Split a String in Balanced Strings
- 1222. Queens That Can Attack the King
- 1223. Dice Roll Simulation
- 1226. The Dining Philosophers
- 123. Best Time to Buy and Sell Stock III
- 1232. Check If It Is a Straight Line
- 1234. Replace the Substring for Balanced String
- 1235. Maximum Profit in Job Scheduling
- 1237. Find Positive Integer Solution for a Given Equation
- 1238. Circular Permutation in Binary Representation
- 124. Binary Tree Maximum Path Sum
- 1247. Minimum Swaps to Make Strings Equal
- 1248. Count Number of Nice Subarrays
- 1249. Minimum Remove to Make Valid Parentheses
- 125. Valid Palindrome
- 1252. Cells with Odd Values in a Matrix
- 1253. Reconstruct a 2-Row Binary Matrix
- 1254. Number of Closed Islands
- 126. Word Ladder II
- 1260. Shift 2D Grid
- 1262. Greatest Sum Divisible by Three
- 1263. Minimum Moves to Move a Box to Their Target Location
- 1266. Minimum Time Visiting All Points
- 1267. Count Servers that Communicate
- 1268. Search Suggestions System
- 1269. Number of Ways to Stay in the Same Place After Some Steps
- 127. Word Ladder
- 1275. Find Winner on a Tic Tac Toe Game
- 1277. Count Square Submatrices with All Ones
- 1278. Palindrome Partitioning III
- 128. Longest Consecutive Sequence
- 1282. Group the People Given the Group Size They Belong To
- 1283. Find the Smallest Divisor Given a Threshold
- 1284. Minimum Number of Flips to Convert Binary Matrix to Zero Matrix
- 1286. Iterator for Combination
- 1287. Element Appearing More Than 25% In Sorted Array
- 1288. Remove Covered Intervals
- 1289. Minimum Falling Path Sum II
- 129. Sum Root to Leaf Numbers
- 1290. Convert Binary Number in a Linked List to Integer
- 1291. Sequential Digits
- 1292. Maximum Side Length of a Square with Sum Less than or Equal to Threshold
- 1293. Shortest Path in a Grid with Obstacles Elimination
- 1295. Find Numbers with Even Number of Digits
- 1296. Divide Array in Sets of K Consecutive Numbers
- 1298. Maximum Candies You Can Get from Boxes
- 1299. Replace Elements with Greatest Element on Right Side
- 13. Roman to Integer
- 130. Surrounded Regions
- 1300. Sum of Mutated Array Closest to Target
- 1301. Number of Paths with Max Score
- 1302. Deepest Leaves Sum
- 1304. Find N Unique Integers Sum up to Zero
- 1305. All Elements in Two Binary Search Trees
- 1306. Jump Game III
- 1307. Verbal Arithmetic Puzzle
- 1309. Decrypt String from Alphabet to Integer Mapping
- 131. Palindrome Partitioning
- 1310. XOR Queries of a Subarray
- 1311. Get Watched Videos by Your Friends
- 1312. Minimum Insertion Steps to Make a String Palindrome
- 1313. Decompress Run-Length Encoded List
- 1314. Matrix Block Sum
- 1315. Sum of Nodes with Even-Valued Grandparent
- 1316. Distinct Echo Substrings
- 1317. Convert Integer to the Sum of Two No-Zero Integers
- 1318. Minimum Flips to Make a OR b Equal to c
- 1319. Number of Operations to Make Network Connected
- 1320. Minimum Distance to Type a Word Using Two Fingers
- 1323. Maximum 69 Number
- 1324. Print Words Vertically
- 1325. Delete Leaves With a Given Value
- 1326. Minimum Number of Taps to Open to Water a Garden
- 1328. Break a Palindrome
- 1329. Sort the Matrix Diagonally
- 133. Clone Graph
- 1330. Reverse Subarray To Maximize Array Value
- 1331. Rank Transform of an Array
- 1332. Remove Palindromic Subsequences
- 1333. Filter Restaurants by Vegan-Friendly, Price and Distance
- 1334. Find the City With the Smallest Number of Neighbors at a Threshold Distance
- 1335. Minimum Difficulty of a Job Schedule
- 1338. Reduce Array Size to The Half
- 1339. Maximum Product of Splitted Binary Tree
- 134. Gas Station
- 1340. Jump Game V
- 1341. The K Weakest Rows in a Matrix
- 1342. Number of Steps to Reduce a Number to Zero
- 1343. Number of Sub-arrays of Size K and Average Greater than or Equal to Threshold
- 1344. Angle Between Hands of a Clock
- 1345. Jump Game IV
- 1346. Check If N and Its Double Exist
- 1347. Minimum Number of Steps to Make Two Strings Anagram
- 1348. Tweet Counts Per Frequency
- 1349. Maximum Students Taking Exam
- 1351. Count Negative Numbers in a Sorted Matrix
- 1352. Product of the Last K Numbers
- 1353. Maximum Number of Events That Can Be Attended
- 1354. Construct Target Array With Multiple Sums
- 1356. Sort Integers by The Number of 1 Bits
- 1357. Apply Discount Every n Orders
- 1358. Number of Substrings Containing All Three Characters
- 1359. Count All Valid Pickup and Delivery Options
- 136. Single Number
- 1360. Number of Days Between Two Dates
- 1361. Validate Binary Tree Nodes
- 1363. Largest Multiple of Three
- 1367. Linked List in Binary Tree
- 1368. Minimum Cost to Make at Least One Valid Path in a Grid
- 137. Single Number II
- 1370. Increasing Decreasing String
- 1371. Find the Longest Substring Containing Vowels in Even Counts
- 1372. Longest ZigZag Path in a Binary Tree
- 1373. Maximum Sum BST in Binary Tree
- 1374. Generate a String With Characters That Have Odd Counts
- 1375. Bulb Switcher III
- 1376. Time Needed to Inform All Employees
- 1377. Frog Position After T Seconds
- 1379. Find a Corresponding Node of a Binary Tree in a Clone of That Tree
- 138. Copy List with Random Pointer
- 1380. Lucky Numbers in a Matrix
- 1381. Design a Stack With Increment Operation
- 1382. Balance a Binary Search Tree
- 1383. Maximum Performance of a Team
- 1385. Find the Distance Value Between Two Arrays
- 1386. Cinema Seat Allocation
- 1387. Sort Integers by The Power Value
- 1388. Pizza With 3n Slices
- 1389. Create Target Array in the Given Order
- 139. Word Break
- 1390. Four Divisors
- 1391. Check if There is a Valid Path in a Grid
- 1392. Longest Happy Prefix
- 1397. Find All Good Strings
- 1399. Count Largest Group
- 14. Longest Common Prefix
- 140. Word Break II
- 1400. Construct K Palindrome Strings
- 1401. Circle and Rectangle Overlapping
- 1402. Reducing Dishes
- 1403. Minimum Subsequence in Non-Increasing Order
- 1404. Number of Steps to Reduce a Number in Binary Representation to One
- 1405. Longest Happy String
- 1406. Stone Game III
- 1408. String Matching in an Array
- 1409. Queries on a Permutation With Key
- 141. Linked List Cycle
- 1410. HTML Entity Parser
- 1411. Number of Ways to Paint N × 3 Grid
- 1413. Minimum Value to Get Positive Step by Step Sum
- 1414. Find the Minimum Number of Fibonacci Numbers Whose Sum Is K
- 1415. The k-th Lexicographical String of All Happy Strings of Length n
- 1416. Restore The Array
- 1419. Minimum Number of Frogs Croaking
- 142. Linked List Cycle II
- 1420. Build Array Where You Can Find The Maximum Exactly K Comparisons
- 1422. Maximum Score After Splitting a String
- 1423. Maximum Points You Can Obtain from Cards
- 1424. Diagonal Traverse II
- 1425. Constrained Subsequence Sum
- 1428. Leftmost Column with at Least a One
- 1429. First Unique Number
- 143. Reorder List
- 1430. Check If a String Is a Valid Sequence from Root to Leaves Path in a Binary Tree
- 1434. Number of Ways to Wear Different Hats to Each Other
- 1436. Destination City
- 1437. Check If All 1's Are at Least Length K Places Away
- 1438. Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit
- 1439. Find the Kth Smallest Sum of a Matrix With Sorted Rows
- 144. Binary Tree Preorder Traversal
- 1441. Build an Array With Stack Operations
- 1443. Minimum Time to Collect All Apples in a Tree
- 1444. Number of Ways of Cutting a Pizza
- 1446. Consecutive Characters
- 1447. Simplified Fractions
- 1448. Count Good Nodes in Binary Tree
- 1449. Form Largest Integer With Digits That Add up to Target
- 145. Binary Tree Postorder Traversal
- 1452. People Whose List of Favorite Companies Is Not a Subset of Another List
- 1455. Check If a Word Occurs As a Prefix of Any Word in a Sentence
- 1456. Maximum Number of Vowels in a Substring of Given Length
- 1457. Pseudo-Palindromic Paths in a Binary Tree
- 1458. Max Dot Product of Two Subsequences
- 146. LRU Cache
- 1460. Make Two Arrays Equal by Reversing Sub-arrays
- 1461. Check If a String Contains All Binary Codes of Size K
- 1462. Course Schedule IV
- 1463. Cherry Pickup II
- 1464. Maximum Product of Two Elements in an Array
- 1467. Probability of a Two Boxes Having The Same Number of Distinct Balls
- 147. Insertion Sort List
- 1470. Shuffle the Array
- 1471. The k Strongest Values in an Array
- 1472. Design Browser History
- 1473. Paint House III
- 1475. Final Prices With a Special Discount in a Shop
- 1476. Subrectangle Queries
- 1477. Find Two Non-overlapping Sub-arrays Each With Target Sum
- 1478. Allocate Mailboxes
- 148. Sort List
- 1480. Running Sum of 1d Array
- 1481. Least Number of Unique Integers after K Removals
- 1482. Minimum Number of Days to Make m Bouquets
- 1483. Kth Ancestor of a Tree Node
- 1486. XOR Operation in an Array
- 1487. Making File Names Unique
- 1488. Avoid Flood in The City
- 1489. Find Critical and Pseudo-Critical Edges in Minimum Spanning Tree
- 149. Max Points on a Line
- 1491. Average Salary Excluding the Minimum and Maximum Salary
- 1492. The kth Factor of n
- 1493. Longest Subarray of 1's After Deleting One Element
- 1494. Parallel Courses II
- 1496. Path Crossing
- 1497. Check If Array Pairs Are Divisible by k
- 1498. Number of Subsequences That Satisfy the Given Sum Condition
- 1499. Max Value of Equation
- 15. 3Sum
- 150. Evaluate Reverse Polish Notation
- 1502. Can Make Arithmetic Progression From Sequence
- 1503. Last Moment Before All Ants Fall Out of a Plank
- 1504. Count Submatrices With All Ones
- 1505. Minimum Possible Integer After at Most K Adjacent Swaps On Digits
- 1507. Reformat Date
- 1508. Range Sum of Sorted Subarray Sums
- 1509. Minimum Difference Between Largest and Smallest Value in Three Moves
- 151. Reverse Words in a String
- 1510. Stone Game IV
- 1512. Number of Good Pairs
- 1513. Number of Substrings With Only 1s
- 1514. Path with Maximum Probability
- 1515. Best Position for a Service Centre
- 1518. Water Bottles
- 1519. Number of Nodes in the Sub-Tree With the Same Label
- 152. Maximum Product Subarray
- 1520. Maximum Number of Non-Overlapping Substrings
- 1521. Find a Value of a Mysterious Function Closest to Target
- 1523. Count Odd Numbers in an Interval Range
- 1524. Number of Sub-arrays With Odd Sum
- 1525. Number of Good Ways to Split a String
- 1526. Minimum Number of Increments on Subarrays to Form a Target Array
- 153. Find Minimum in Rotated Sorted Array
- 1531. String Compression II
- 1534. Count Good Triplets
- 1535. Find the Winner of an Array Game
- 1536. Minimum Swaps to Arrange a Binary Grid
- 1537. Get the Maximum Score
- 1539. Kth Missing Positive Number
- 154. Find Minimum in Rotated Sorted Array II
- 1540. Can Convert String in K Moves
- 1541. Minimum Insertions to Balance a Parentheses String
- 1542. Find Longest Awesome Substring
- 1544. Make The String Great
- 1545. Find Kth Bit in Nth Binary String
- 1546. Maximum Number of Non-Overlapping Subarrays With Sum Equals Target
- 1547. Minimum Cost to Cut a Stick
- 155. Min Stack
- 1550. Three Consecutive Odds
- 1551. Minimum Operations to Make Array Equal
- 1552. Magnetic Force Between Two Balls
- 1553. Minimum Number of Days to Eat N Oranges
- 1556. Thousand Separator
- 1557. Minimum Number of Vertices to Reach All Nodes
- 1558. Minimum Numbers of Function Calls to Make Target Array
- 1559. Detect Cycles in 2D Grid
- 156. Binary Tree Upside Down
- 1560. Most Visited Sector in a Circular Track
- 1561. Maximum Number of Coins You Can Get
- 1562. Find Latest Group of Size M
- 1563. Stone Game V
- 1566. Detect Pattern of Length M Repeated K or More Times
- 1567. Maximum Length of Subarray With Positive Product
- 1568. Minimum Number of Days to Disconnect Island
- 1569. Number of Ways to Reorder Array to Get Same BST
- 157. Read N Characters Given Read4
- 1572. Matrix Diagonal Sum
- 1573. Number of Ways to Split a String
- 1574. Shortest Subarray to be Removed to Make Array Sorted
- 1575. Count All Possible Routes
- 1576. Replace All ?'s to Avoid Consecutive Repeating Characters
- 1577. Number of Ways Where Square of Number Is Equal to Product of Two Numbers
- 1578. Minimum Deletion Cost to Avoid Repeating Letters
- 1579. Remove Max Number of Edges to Keep Graph Fully Traversable
- 158. Read N Characters Given Read4 II - Call multiple times
- 1582. Special Positions in a Binary Matrix
- 1583. Count Unhappy Friends
- 1584. Min Cost to Connect All Points
- 1585. Check If String Is Transformable With Substring Sort Operations
- 1588. Sum of All Odd Length Subarrays
- 1589. Maximum Sum Obtained of Any Permutation
- 159. Longest Substring with At Most Two Distinct Characters
- 1590. Make Sum Divisible by P
- 1591. Strange Printer II
- 1592. Rearrange Spaces Between Words
- 1593. Split a String Into the Max Number of Unique Substrings
- 1594. Maximum Non Negative Product in a Matrix
- 1595. Minimum Cost to Connect Two Groups of Points
- 1598. Crawler Log Folder
- 1599. Maximum Profit of Operating a Centennial Wheel
- 16. 3Sum Closest
- 1600. Throne Inheritance
- 1601. Maximum Number of Achievable Transfer Requests
- 1603. Design Parking System
- 1604. Alert Using Same Key-Card Three or More Times in a One Hour Period
- 1605. Find Valid Matrix Given Row and Column Sums
- 1606. Find Servers That Handled Most Number of Requests
- 1608. Special Array With X Elements Greater Than or Equal X
- 1609. Even Odd Tree
- 161. One Edit Distance
- 1610. Maximum Number of Visible Points
- 1611. Minimum One Bit Operations to Make Integers Zero
- 1614. Maximum Nesting Depth of the Parentheses
- 1615. Maximal Network Rank
- 1616. Split Two Strings to Make Palindrome
- 1617. Count Subtrees With Max Distance Between Cities
- 1619. Mean of Array After Removing Some Elements
- 162. Find Peak Element
- 1620. Coordinate With Maximum Network Quality
- 1621. Number of Sets of K Non-Overlapping Line Segments
- 1622. Fancy Sequence
- 1624. Largest Substring Between Two Equal Characters
- 1625. Lexicographically Smallest String After Applying Operations
- 1626. Best Team With No Conflicts
- 1627. Graph Connectivity With Threshold
- 1631. Path With Minimum Effort
- 1632. Rank Transform of a Matrix
- 1636. Sort Array by Increasing Frequency
- 1637. Widest Vertical Area Between Two Points Containing No Points
- 1638. Count Substrings That Differ by One Character
- 1639. Number of Ways to Form a Target String Given a Dictionary
- 164. Maximum Gap
- 1640. Check Array Formation Through Concatenation
- 1641. Count Sorted Vowel Strings
- 1642. Furthest Building You Can Reach
- 1643. Kth Smallest Instructions
- 1648. Sell Diminishing-Valued Colored Balls
- 1649. Create Sorted Array through Instructions
- 165. Compare Version Numbers
- 1657. Determine if Two Strings Are Close
- 1658. Minimum Operations to Reduce X to Zero
- 166. Fraction to Recurring Decimal
- 1662. Check If Two String Arrays are Equivalent
- 1663. Smallest String With A Given Numeric Value
- 1664. Ways to Make a Fair Array
- 1665. Minimum Initial Energy to Finish Tasks
- 1668. Maximum Repeating Substring
- 1669. Merge In Between Linked Lists
- 167. Two Sum II - Input array is sorted
- 1670. Design Front Middle Back Queue
- 1671. Minimum Number of Removals to Make Mountain Array
- 1672. Richest Customer Wealth
- 1673. Find the Most Competitive Subsequence
- 1674. Minimum Moves to Make Array Complementary
- 1675. Minimize Deviation in Array
- 1678. Goal Parser Interpretation
- 1679. Max Number of K-Sum Pairs
- 1680. Concatenation of Consecutive Binary Numbers
- 1681. Minimum Incompatibility
- 1688. Count of Matches in Tournament
- 1689. Partitioning Into Minimum Number Of Deci-Binary Numbers
- 169. Majority Element
- 1690. Stone Game VII
- 1691. Maximum Height by Stacking Cuboids
- 1694. Reformat Phone Number
- 1695. Maximum Erasure Value
- 1696. Jump Game VI
- 1697. Checking Existence of Edge Length Limited Paths
- 17. Letter Combinations of a Phone Number
- 1700. Number of Students Unable to Eat Lunch
- 1701. Average Waiting Time
- 1702. Maximum Binary String After Change
- 1704. Determine if String Halves Are Alike
- 1705. Maximum Number of Eaten Apples
- 1706. Where Will the Ball Fall
- 1707. Maximum XOR With an Element From Array
- 171. Excel Sheet Column Number
- 1710. Maximum Units on a Truck
- 1711. Count Good Meals
- 1712. Ways to Split Array Into Three Subarrays
- 1713. Minimum Operations to Make a Subsequence
- 1716. Calculate Money in Leetcode Bank
- 1717. Maximum Score From Removing Substrings
- 1718. Construct the Lexicographically Largest Valid Sequence
- 1719. Number Of Ways To Reconstruct A Tree
- 1720. Decode XORed Array
- 1721. Swapping Nodes in a Linked List
- 1722. Minimize Hamming Distance After Swap Operations
- 1723. Find Minimum Time to Finish All Jobs
- 1727. Largest Submatrix With Rearrangements
- 173. Binary Search Tree Iterator
- 1732. Find the Highest Altitude
- 1733. Minimum Number of People to Teach
- 1734. Decode XORed Permutation
- 1736. Latest Time by Replacing Hidden Digits
- 1737. Change Minimum Characters to Satisfy One of Three Conditions
- 1738. Find Kth Largest XOR Coordinate Value
- 1739. Building Boxes
- 174. Dungeon Game
- 1744. Can You Eat Your Favorite Candy on Your Favorite Day?
- 1745. Palindrome Partitioning IV
- 1749. Maximum Absolute Sum of Any Subarray
- 175. Combine Two Tables
- 176. Second Highest Salary
- 1763. Longest Nice Substring
- 1764. Form Array by Concatenating Subarrays of Another Array
- 1765. Map of Highest Peak
- 1766. Tree of Coprimes
- 1768. Merge Strings Alternately
- 1769. Minimum Number of Operations to Move All Balls to Each Box
- 1770. Maximum Score from Performing Multiplication Operations
- 1771. Maximize Palindrome Length From Subsequences
- 1773. Count Items Matching a Rule
- 1774. Closest Dessert Cost
- 1775. Equal Sum Arrays With Minimum Number of Operations
- 1784. Check if Binary String Has at Most One Segment of Ones
- 1785. Minimum Elements to Add to Form a Given Sum
- 1786. Number of Restricted Paths From First to Last Node
- 179. Largest Number
- 1790. Check if One String Swap Can Make Strings Equal
- 1791. Find Center of Star Graph
- 1792. Maximum Average Pass Ratio
- 1793. Maximum Score of a Good Subarray
- 1796. Second Largest Digit in a String
- 1797. Design Authentication Manager
- 1798. Maximum Number of Consecutive Values You Can Make
- 1799. Maximize Score After N Operations
- 18. 4Sum
- 1800. Maximum Ascending Subarray Sum
- 1801. Number of Orders in the Backlog
- 1802. Maximum Value at a Given Index in a Bounded Array
- 1803. Count Pairs With XOR in a Range
- 181. Employees Earning More Than Their Managers
- 182. Duplicate Emails
- 187. Repeated DNA Sequences
- 188. Best Time to Buy and Sell Stock IV
- 189. Rotate Array
- 19. Remove Nth Node From End of List
- 190. Reverse Bits
- 191. Number of 1 Bits
- 195. Tenth Line
- 198. House Robber
- 199. Binary Tree Right Side View
- 2. Add Two Numbers
- 20. Valid Parentheses
- 200. Number of Islands
- 201. Bitwise AND of Numbers Range
- 202. Happy Number
- 203. Remove Linked List Elements
- 204. Count Primes
- 206. Reverse Linked List
- 207. Course Schedule
- 208. Implement Trie (Prefix Tree)
- 209. Minimum Size Subarray Sum
- 21. Merge Two Sorted Lists
- 210. Course Schedule II
- 211. Add and Search Word - Data structure design
- 212. Word Search II
- 213. House Robber II
- 214. Shortest Palindrome
- 215. Kth Largest Element in an Array
- 216. Combination Sum III
- 218. The Skyline Problem
- 219. Contains Duplicate II
- 22. Generate Parentheses
- 220. Contains Duplicate III
- 221. Maximal Square
- 222. Count Complete Tree Nodes
- 223. Rectangle Area
- 224. Basic Calculator
- 225. Implement Stack using Queues
- 226. Invert Binary Tree
- 227. Basic Calculator II
- 228. Summary Ranges
- 229. Majority Element II
- 23. Merge k Sorted Lists
- 230. Kth Smallest Element in a BST
- 231. Power of Two
- 232. Implement Queue using Stacks
- 234. Palindrome Linked List
- 237. Delete Node in a Linked List
- 238. Product of Array Except Self
- 239. Sliding Window Maximum
- 24. Swap Nodes in Pairs
- 240. Search a 2D Matrix II
- 241. Different Ways to Add Parentheses
- 242. Valid Anagram
- 243. Shortest Word Distance
- 244. Shortest Word Distance II
- 246. Strobogrammatic Number
- 247. Strobogrammatic Number II
- 249. Group Shifted Strings
- 25. Reverse Nodes in k-Group
- 250. Count Univalue Subtrees
- 252. Meeting Rooms
- 253. Meeting Rooms II
- 256. Paint House
- 257. Binary Tree Paths
- 258. Add Digits
- 259. 3Sum Smaller
- 26. Remove Duplicates from Sorted Array
- 260. Single Number III
- 261. Graph Valid Tree
- 263. Ugly Number
- 264. Ugly Number II
- 266. Palindrome Permutation
- 268. Missing Number
- 27. Remove Element
- 270. Closest Binary Search Tree Value
- 271. Encode and Decode Strings
- 274. H-Index
- 275. H-Index II
- 278. First Bad Version
- 279. Perfect Squares
- 28. Implement strStr()
- 280. Wiggle Sort
- 281. Zigzag Iterator
- 284. Peeking Iterator
- 285. Inorder Successor in BST
- 287. Find the Duplicate Number
- 289. Game of Life
- 29. Divide Two Integers
- 290. Word Pattern
- 293. Flip Game
- 295. Find Median from Data Stream
- 297. Serialize and Deserialize Binary Tree
- 298. Binary Tree Longest Consecutive Sequence
- 299. Bulls and Cows
- 3. Longest Substring Without Repeating Characters
- 30. Substring with Concatenation of All Words
- 300. Longest Increasing Subsequence
- 301. Remove Invalid Parentheses
- 303. Range Sum Query - Immutable
- 304. Range Sum Query 2D - Immutable
- 307. Range Sum Query - Mutable
- 309. Best Time to Buy and Sell Stock with Cooldown
- 31. Next Permutation
- 310. Minimum Height Trees
- 312. Burst Balloons
- 313. Super Ugly Number
- 315. Count of Smaller Numbers After Self
- 316. Remove Duplicate Letters
- 32. Longest Valid Parentheses
- 320. Generalized Abbreviation
- 321. Create Maximum Number
- 322. Coin Change
- 324. Wiggle Sort II
- 327. Count of Range Sum
- 328. Odd Even Linked List
- 329. Longest Increasing Path in a Matrix
- 33. Search in Rotated Sorted Array
- 330. Patching Array
- 331. Verify Preorder Serialization of a Binary Tree
- 332. Reconstruct Itinerary
- 333. Largest BST Subtree
- 334. Increasing Triplet Subsequence
- 335. Self Crossing
- 336. Palindrome Pairs
- 337. House Robber III
- 338. Counting Bits
- 339. Nested List Weight Sum
- 34. Search for a Range
- 340. Longest Substring with At Most K Distinct Characters
- 341. Flatten Nested List Iterator
- 342. Power of Four
- 343. Integer Break
- 344. Reverse String
- 345. Reverse Vowels of a String
- 346. Moving Average from Data Stream
- 347. Top K Frequent Elements
- 348. Design Tic-Tac-Toe
- 349. Intersection of Two Arrays
- 35. Search Insert Position
- 350. Intersection of Two Arrays II
- 352. Data Stream as Disjoint Intervals
- 354. Russian Doll Envelopes
- 355. Design Twitter
- 357. Count Numbers with Unique Digits
- 359. Logger Rate Limiter
- 36. Valid Sudoku
- 360. Sort Transformed Array
- 361. Bomb Enemy
- 363. Max Sum of Rectangle No Larger Than K
- 364. Nested List Weight Sum II
- 365. Water and Jug Problem
- 366. Find Leaves of Binary Tree
- 367. Valid Perfect Square
- 368. Largest Divisible Subset
- 369. Plus One Linked List
- 370. Range Addition
- 371. Sum of Two Integers
- 372. Super Pow
- 373. Find K Pairs with Smallest Sums
- 374. Guess Number Higher or Lower
- 375. Guess Number Higher or Lower II
- 376. Wiggle Subsequence
- 377. Combination Sum IV
- 378. Kth Smallest Element in a Sorted Matrix
- 379. Design Phone Directory
- 38. Count and Say
- 380. Insert Delete GetRandom O(1)
- 381. Insert Delete GetRandom O(1) - Duplicates allowed
- 382. Linked List Random Node
- 383. Ransom Note
- 384. Shuffle an Array
- 385. Mini Parser
- 386. Lexicographical Numbers
- 387. First Unique Character in a String
- 388. Longest Absolute File Path
- 389. Find the Difference
- 39. Combination Sum
- 390. Elimination Game
- 391. Perfect Rectangle
- 392. Is Subsequence
- 393. UTF-8 Validation
- 394. Decode String
- 395. Longest Substring with At Least K Repeating Characters
- 396. Rotate Function
- 397. Integer Replacement
- 398. Random Pick Index
- 399. Evaluate Division
- 4. Median of Two Sorted Arrays
- 40. Combination Sum II
- 400. Nth Digit
- 401. Binary Watch
- 402. Remove K Digits
- 403. Frog Jump
- 404. Sum of Left Leaves
- 405. Convert a Number to Hexadecimal
- 406. Queue Reconstruction by Height
- 407. Trapping Rain Water II
- 408. Valid Word Abbreviation
- 409. Longest Palindrome
- 41. First Missing Positive
- 410. Split Array Largest Sum
- 412. Fizz Buzz
- 413. Arithmetic Slices
- 414. Third Maximum Number
- 415. Add Strings
- 416. Partition Equal Subset Sum
- 417. Pacific Atlantic Water Flow
- 419. Battleships in a Board
- 42. Trapping Rain Water
- 420. Strong Password Checker
- 421. Maximum XOR of Two Numbers in an Array
- 422. Valid Word Square
- 423. Reconstruct Original Digits from English
- 424. Longest Repeating Character Replacement
- 427. Construct Quad Tree
- 429. N-ary Tree Level Order Traversal
- 43. Multiply Strings
- 430. Flatten a Multilevel Doubly Linked List
- 432. All O`one Data Structure
- 434. Number of Segments in a String
- 435. Non-overlapping Intervals
- 436. Find Right Interval
- 437. Path Sum III
- 438. Find All Anagrams in a String
- 44. Wildcard Matching
- 440. K-th Smallest in Lexicographical Order
- 441. Arranging Coins
- 442. Find All Duplicates in an Array
- 443. String Compression
- 445. Add Two Numbers II
- 446. Arithmetic Slices II - Subsequence
- 447. Number of Boomerangs
- 448. Find All Numbers Disappeared in an Array
- 449. Serialize and Deserialize BST
- 45. Jump Game II
- 450. Delete Node in a BST
- 451. Sort Characters By Frequency
- 452. Minimum Number of Arrows to Burst Balloons
- 453. Minimum Moves to Equal Array Elements
- 454. 4Sum II
- 455. Assign Cookies
- 456. 132 Pattern
- 457. Circular Array Loop
- 459. Repeated Substring Pattern
- 46. Permutations
- 460. LFU Cache
- 461. Hamming Distance
- 462. Minimum Moves to Equal Array Elements II
- 463. Island Perimeter
- 464. Can I Win
- 466. Count The Repetitions
- 467. Unique Substrings in Wraparound String
- 468. Validate IP Address
- 47. Permutations II
- 470. Implement Rand10() Using Rand7()
- 471. Encode String with Shortest Length
- 472. Concatenated Words
- 473. Matchsticks to Square
- 474. Ones and Zeroes
- 475. Heaters
- 476. Number Complement
- 477. Total Hamming Distance
- 478. Generate Random Point in a Circle
- 48. Rotate Image
- 480. Sliding Window Median
- 481. Magical String
- 482. License Key Formatting
- 483. Smallest Good Base
- 485. Max Consecutive Ones
  - s1.cpp
- 486. Predict the Winner
- 487. Max Consecutive Ones II
- 488. Zuma Game
- 489. Robot Room Cleaner
- 49. Group Anagrams
- 490. The Maze
- 491. Increasing Subsequences
- 492. Construct the Rectangle
- 494. Target Sum
- 495. Teemo Attacking
- 496. Next Greater Element I
- 497. Random Point in Non-overlapping Rectangles
- 498. Diagonal Traverse
- 5. Longest Palindromic Substring
- 50. Pow(x, n)
- 500. Keyboard Row
- 501. Find Mode in Binary Search Tree
- 502. IPO
- 503. Next Greater Element II
- 504. Base 7
- 506. Relative Ranks
- 507. Perfect Number
- 508. Most Frequent Subtree Sum
- 509. Fibonacci Number
- 513. Find Bottom Left Tree Value
- 515. Find Largest Value in Each Tree Row
- 516. Longest Palindromic Subsequence
- 517. Super Washing Machines
- 518. Coin Change 2
- 519. Random Flip Matrix
- 520. Detect Capital
- 521. Longest Uncommon Subsequence I
- 523. Continuous Subarray Sum
- 524. Longest Word in Dictionary through Deleting
- 525. Contiguous Array
- 526. Beautiful Arrangement
- 528. Random Pick with Weight
- 529. Minesweeper
- 53. Maximum Subarray
- 530. Minimum Absolute Difference in BST
- 532. K-diff Pairs in an Array
- 535. Encode and Decode TinyURL
- 536. Construct Binary Tree from String
- 537. Complex Number Multiplication
- 538. Convert BST to Greater Tree
- 539. Minimum Time Difference
- 54. Spiral Matrix
- 540. Single Element in a Sorted Array
- 541. Reverse String II
- 542. 01 Matrix
- 543. Diameter of Binary Tree
- 544. Output Contest Matches
- 546. Remove Boxes
- 547. Friend Circles
- 549. Binary Tree Longest Consecutive Sequence II
- 55. Jump Game
- 551. Student Attendance Record I
- 552. Student Attendance Record II
- 553. Optimal Division
- 554. Brick Wall
- 556. Next Greater Element III
- 557. Reverse Words in a String III
- 558. Quad Tree Intersection
- 559. Maximum Depth of N-ary Tree
- 560. Subarray Sum Equals K
- 561. Array Partition I
- 562. Longest Line of Consecutive One in Matrix
- 563. Binary Tree Tilt
- 565. Array Nesting
- 566. Reshape the Matrix
- 567. Permutation in String
- 57. Insert Interval
- 570. Managers with at Least 5 Direct Reports
- 572. Subtree of Another Tree
- 575. Distribute Candies
- 576. Out of Boundary Paths
- 577. Employee Bonus
- 58. Length of Last Word
- 581. Shortest Unsorted Continuous Subarray
- 582. Kill Process
- 583. Delete Operation for Two Strings
- 584. Find Customer Referee
- 586. Customer Placing the Largest Number of Orders
- 589. N-ary Tree Preorder Traversal
- 59. Spiral Matrix II
- 590. N-ary Tree Postorder Traversal
- 591. Tag Validator
- 593. Valid Square
- 594. Longest Harmonious Subsequence
- 595. Big Countries
- 597. Friend Requests I: Overall Acceptance Rate
- 598. Range Addition II
- 599. Minimum Index Sum of Two Lists
- 6. ZigZag Conversion
- 60. Permutation Sequence
- 600. Non-negative Integers without Consecutive Ones
- 603. Consecutive Available Seats
- 604. Design Compressed String Iterator
- 605. Can Place Flowers
- 606. Construct String from Binary Tree
- 607. Sales Person
- 609. Find Duplicate File in System
- 61. Rotate List
- 610. Triangle Judgement
- 611. Valid Triangle Number
- 613. Shortest Distance in a Line
- 616. Add Bold Tag in String
- 617. Merge Two Binary Trees
- 62. Unique Paths
- 620. Not Boring Movies
- 621. Task Scheduler
- 622. Design Circular Queue
- 623. Add One Row to Tree
- 627. Swap Salary
- 628. Maximum Product of Three Numbers
- 629. K Inverse Pairs Array
- 63. Unique Paths II
- 632. Smallest Range Covering Elements from K Lists
- 636. Exclusive Time of Functions
- 637. Average of Levels in Binary Tree
- 638. Shopping Offers
- 639. Decode Ways II
- 64. Minimum Path Sum
- 640. Solve the Equation
- 641. Design Circular Deque
- 643. Maximum Average Subarray I
- 645. Set Mismatch
- 646. Maximum Length of Pair Chain
- 647. Palindromic Substrings
- 648. Replace Words
- 65. Valid Number
- 650. 2 Keys Keyboard
- 651. 4 Keys Keyboard
- 652. Find Duplicate Subtrees
- 653. Two Sum IV - Input is a BST
- 654. Maximum Binary Tree
- 655. Print Binary Tree
- 657. Robot Return to Origin
- 659. Split Array into Consecutive Subsequences
- 66. Plus One
- 661. Image Smoother
- 662. Maximum Width of Binary Tree
- 663. Equal Tree Partition
- 664. Strange Printer
- 665. Non-decreasing Array
- 666. Path Sum IV
- 667. Beautiful Arrangement II
- 668. Kth Smallest Number in Multiplication Table
- 669. Trim a Binary Search Tree
- 67. Add Binary
- 670. Maximum Swap
- 671. Second Minimum Node In a Binary Tree
- 673. Number of Longest Increasing Subsequence
- 674. Longest Continuous Increasing Subsequence
- 676. Implement Magic Dictionary
- 677. Map Sum Pairs
- 678. Valid Parenthesis String
- 680. Valid Palindrome II
- 682. Baseball Game
- 684. Redundant Connection
- 686. Repeated String Match
- 687. Longest Univalue Path
- 688. Knight Probability in Chessboard
- 69. Sqrt(x)
- 690. Employee Importance
- 693. Binary Number with Alternating Bits
- 694. Number of Distinct Islands
- 695. Max Area of Island
- 696. Count Binary Substrings
- 697. Degree of an Array
- 698. Partition to K Equal Sum Subsets
- 699. Falling Squares
- 7. Reverse Integer
- 254 entries not shown
lib
notes
system-design
.gitignore
README.md
checkin.sh
create.sh
readme.sh

485. Max Consecutive Ones

lzl124631x

reorged code.

Jan 19, 2017

eb37e68 · Jan 19, 2017

History

This branch is 2352 commits behind lzl124631x/LeetCode:master.

Name	Name	Last commit message	Last commit date
parent directory ..
s1.cpp	s1.cpp	reorged code.	Jan 19, 2017

Provide feedback

Saved searches

Use saved searches to filter your results more quickly

Files

485. Max Consecutive Ones

485. Max Consecutive Ones

Files

485. Max Consecutive Ones

Directory actions

More options

Directory actions

More options

Latest commit

History

485. Max Consecutive Ones

Folders and files

parent directory