微软Microsoft LC最近三个月的高频题(跪求大米, 真的对我很重要, 感谢🙏)高频题
(1) Two Sum — Easy
(2) Add Two Numbers — Medium
(3) Longest Substring Without Repeating Characters — Medium
(5) Longest Palindromic Substring — Medium
(9) Palindrome Number — Easy
(11) Container With Most Water — Medium
(13) Roman to Integer — Easy
(15) 3Sum — Medium
(20) Valid Parentheses — Easy
(21) Merge Two Sorted Lists — Easy
(26) Remove Duplicates from Sorted Array — Easy
(31) Next Permutation — Medium
(33) Search in Rotated Sorted Array — Medium
(42) Trapping Rain Water — Hard
(48) Rotate Image — Medium
(49) Group Anagrams — Medium
(53) Maximum Subarray — Medium
(56) Merge Intervals — Medium
(121) Best Time to Buy and Sell Stock — Easy
(146) LRU Cache — Medium
(200) Number of Islands — Medium
(206) Reverse Linked List — Easy
(238) Product of Array Except Self — Medium
(560) Subarray Sum Equals K — Medium
(22) Generate Parentheses — Medium
(51) N-Queens — Hard
(239) Sliding Window Maximum — Hard
(424) Longest Repeating Character Replacement — Medium
(14) Longest Common Prefix — Easy
(23) Merge k Sorted Lists — Hard
(2858) Minimum Edge Reversals So Every Node Is Reachable — Hard
(75) Sort Colors — Medium
(70) Climbing Stairs — Easy
(138) Copy List with Random Pointer — Medium
(509) Fibonacci Number — Easy
(6) Zigzag Conversion — Medium
(143) Reorder List — Medium
(1475) Final Prices With a Special Discount in a Shop — Easy
(540) Single Element in a Sorted Array — Medium
(28) Find the Index of the First Occurrence in a String — Easy
(875) Koko Eating Bananas — Medium
(217) Contains Duplicate — Easy
(76) Minimum Window Substring — Hard
(84) Largest Rectangle in Histogram — Hard
(1353) Maximum Number of Events That Can Be Attended — Medium
(155) Min Stack — Medium
(300) Longest Increasing Subsequence — Medium
(88) Merge Sorted Array — Easy
(12) Integer to Roman — Medium
(45) Jump Game II — Medium
(297) Serialize and Deserialize Binary Tree — Hard
(994) Rotting Oranges — Medium
(224) Basic Calculator — Hard
(621) Task Scheduler — Medium
(32) Longest Valid Parentheses — Hard
(987) Vertical Order Traversal of a Binary Tree — Hard
(128) Longest Consecutive Sequence — Medium
(50) Pow(x, n) — Medium
(2784) Check if Array is Good — Easy
(176) Second Highest Salary — Medium
(193) Valid Phone Numbers — Easy
(1757) Recyclable and Low Fat Products — Easy
(796) Rotate String — Easy
(175) Combine Two Tables — Easy
(643) Maximum Average Subarray I — Easy
(104) Maximum Depth of Binary Tree — Easy
(503) Next Greater Element II — Medium
(863) All Nodes Distance K in Binary Tree — Medium
(62) Unique Paths — Medium
(78) Subsets — Medium
(493) Reverse Pairs — Hard
(2161) Partition Array According to Given Pivot — Medium
(124) Binary Tree Maximum Path Sum — Hard
(703) Kth Largest Element in a Stream — Easy
(518) Coin Change II — Medium
(10) Regular Expression Matching — Hard
(85) Maximal Rectangle — Hard
(684) Redundant Connection — Medium
(110) Balanced Binary Tree — Easy
(1365) How Many Numbers Are Smaller Than the Current Number — Easy
(451) Sort Characters By Frequency — Medium
(1283) Find the Smallest Divisor Given a Threshold — Medium
(448) Find All Numbers Disappeared in an Array — Easy
(344) Reverse String — Easy
(704) Binary Search — Easy
(92) Reverse Linked List II — Medium
(74) Search a 2D Matrix — Medium
(516) Longest Palindromic Subsequence — Medium
(2418) Sort the People — Easy
(35) Search Insert Position — Easy
(1768) Merge Strings Alternately — Easy
(39) Combination Sum — Medium
(3699) Number of ZigZag Arrays I — Hard
(410) Split Array Largest Sum — Hard
(763) Partition Labels — Medium
(4) Median of Two Sorted Arrays — Hard
(136) Single Number — Easy
(3737) Count Subarrays With Majority Element I — Medium
(416) Partition Equal Subset Sum — Medium
(438) Find All Anagrams in a String — Medium
(137) Single Number II — Medium
(567) Permutation in String — Medium
(242) Valid Anagram — Easy
(373) Find K Pairs with Smallest Sums — Medium
(1929) Concatenation of Array — Easy
(130) Surrounded Regions — Medium
(1011) Capacity To Ship Packages Within D Days — Medium
(169) Majority Element — Easy
(230) Kth Smallest Element in a BST — Medium
(287) Find the Duplicate Number — Medium
(779) K-th Symbol in Grammar — Medium
(205) Isomorphic Strings — Easy
(141) Linked List Cycle — Easy
(118) Pascal's Triangle — Easy
(223) Rectangle Area — Medium
(73) Set Matrix Zeroes — Medium
(653) Two Sum IV - Input is a BST — Easy
(1021) Remove Outermost Parentheses — Easy
(543) Diameter of Binary Tree — Easy
(1288) Remove Covered Intervals — Medium
(1148) Article Views I — Easy
(3754) Concatenate Non-Zero Digits and Multiply by Sum I — Easy
(645) Set Mismatch — Easy
(3532) Path Existence Queries in a Graph I — Medium
(1732) Find the Highest Altitude — Easy
(134) Gas Station — Medium
(25) Reverse Nodes in k-Group — Hard
(283) Move Zeroes — Easy
(526) Beautiful Arrangement — Medium
(55) Jump Game — Medium
(8) String to Integer (atoi) — Medium
(233) Number of Digit One — Hard
(98) Validate Binary Search Tree — Medium
(162) Find Peak Element — Medium
(122) Best Time to Buy and Sell Stock II — Medium
(349) Intersection of Two Arrays — Easy
(740) Delete and Earn — Medium
(101) Symmetric Tree — Easy
(2484) Count Palindromic Subsequences — Hard
(345) Reverse Vowels of a String — Easy
(312) Burst Balloons — Hard
(198) House Robber — Medium
(605) Can Place Flowers — Easy
(929) Unique Email Addresses — Easy
(496) Next Greater Element I — Easy
(733) Flood Fill — Easy
(264) Ugly Number II — Medium
(3513) Number of Unique XOR Triplets I — Medium
(17) Letter Combinations of a Phone Number — Medium
(1358) Number of Substrings Containing All Three Characters — Medium
(3336) Find the Number of Subsequences With Equal GCD — Hard
(125) Valid Palindrome — Easy
(1143) Longest Common Subsequence — Medium
(235) Lowest Common Ancestor of a Binary Search Tree — Medium
(1547) Minimum Cost to Cut a Stick — Hard
(46) Permutations — Medium
(402) Remove K Digits — Medium
(2402) Meeting Rooms III — Hard
(680) Valid Palindrome II — Easy
(2235) Add Two Integers — Easy
(1838) Frequency of the Most Frequent Element — Medium
(1091) Shortest Path in Binary Matrix — Medium
(180) Consecutive Numbers — Medium
(1109) Corporate Flight Bookings — Medium
(183) Customers Who Never Order — Easy
(1071) Greatest Common Divisor of Strings — Easy
(1544) Make The String Great — Easy
(1480) Running Sum of 1d Array — Easy
(525) Contiguous Array — Medium
(218) The Skyline Problem — Hard
(347) Top K Frequent Elements — Medium
(322) Coin Change — Medium
(100) Same Tree — Easy
(930) Binary Subarrays With Sum — Medium
(837) New 21 Game — Medium
(54) Spiral Matrix — Medium
(209) Minimum Size Subarray Sum — Medium
(219) Contains Duplicate II — Easy
(435) Non-overlapping Intervals — Medium
(877) Stone Game — Medium
(279) Perfect Squares — Medium
(2126) Destroying Asteroids — Medium
(189) Rotate Array — Medium
(1343) Number of Sub-arrays of Size K and Average Greater than or Equal to Threshold — Medium
(389) Find the Difference — Easy
(204) Count Primes — Medium
(44) Wildcard Matching — Hard
(368) Largest Divisible Subset — Medium
(216) Combination Sum III — Medium
(34) Find First and Last Position of Element in Sorted Array — Medium
(226) Invert Binary Tree — Easy
(167) Two Sum II - Input Array Is Sorted — Medium
(2) Add Two Numbers — Medium
(3) Longest Substring Without Repeating Characters — Medium
(5) Longest Palindromic Substring — Medium
(9) Palindrome Number — Easy
(11) Container With Most Water — Medium
(13) Roman to Integer — Easy
(15) 3Sum — Medium
(20) Valid Parentheses — Easy
(21) Merge Two Sorted Lists — Easy
(26) Remove Duplicates from Sorted Array — Easy
(31) Next Permutation — Medium
(33) Search in Rotated Sorted Array — Medium
(42) Trapping Rain Water — Hard
(48) Rotate Image — Medium
(49) Group Anagrams — Medium
(53) Maximum Subarray — Medium
(56) Merge Intervals — Medium
(121) Best Time to Buy and Sell Stock — Easy
(146) LRU Cache — Medium
(200) Number of Islands — Medium
(206) Reverse Linked List — Easy
(238) Product of Array Except Self — Medium
(560) Subarray Sum Equals K — Medium
(22) Generate Parentheses — Medium
(51) N-Queens — Hard
(239) Sliding Window Maximum — Hard
(424) Longest Repeating Character Replacement — Medium
(14) Longest Common Prefix — Easy
(23) Merge k Sorted Lists — Hard
(2858) Minimum Edge Reversals So Every Node Is Reachable — Hard
(75) Sort Colors — Medium
(70) Climbing Stairs — Easy
(138) Copy List with Random Pointer — Medium
(509) Fibonacci Number — Easy
(6) Zigzag Conversion — Medium
(143) Reorder List — Medium
(1475) Final Prices With a Special Discount in a Shop — Easy
(540) Single Element in a Sorted Array — Medium
(28) Find the Index of the First Occurrence in a String — Easy
(875) Koko Eating Bananas — Medium
(217) Contains Duplicate — Easy
(76) Minimum Window Substring — Hard
(84) Largest Rectangle in Histogram — Hard
(1353) Maximum Number of Events That Can Be Attended — Medium
(155) Min Stack — Medium
(300) Longest Increasing Subsequence — Medium
(88) Merge Sorted Array — Easy
(12) Integer to Roman — Medium
(45) Jump Game II — Medium
(297) Serialize and Deserialize Binary Tree — Hard
(994) Rotting Oranges — Medium
(224) Basic Calculator — Hard
(621) Task Scheduler — Medium
(32) Longest Valid Parentheses — Hard
(987) Vertical Order Traversal of a Binary Tree — Hard
(128) Longest Consecutive Sequence — Medium
(50) Pow(x, n) — Medium
(2784) Check if Array is Good — Easy
(176) Second Highest Salary — Medium
(193) Valid Phone Numbers — Easy
(1757) Recyclable and Low Fat Products — Easy
(796) Rotate String — Easy
(175) Combine Two Tables — Easy
(643) Maximum Average Subarray I — Easy
(104) Maximum Depth of Binary Tree — Easy
(503) Next Greater Element II — Medium
(863) All Nodes Distance K in Binary Tree — Medium
(62) Unique Paths — Medium
(78) Subsets — Medium
(493) Reverse Pairs — Hard
(2161) Partition Array According to Given Pivot — Medium
(124) Binary Tree Maximum Path Sum — Hard
(703) Kth Largest Element in a Stream — Easy
(518) Coin Change II — Medium
(10) Regular Expression Matching — Hard
(85) Maximal Rectangle — Hard
(684) Redundant Connection — Medium
(110) Balanced Binary Tree — Easy
(1365) How Many Numbers Are Smaller Than the Current Number — Easy
(451) Sort Characters By Frequency — Medium
(1283) Find the Smallest Divisor Given a Threshold — Medium
(448) Find All Numbers Disappeared in an Array — Easy
(344) Reverse String — Easy
(704) Binary Search — Easy
(92) Reverse Linked List II — Medium
(74) Search a 2D Matrix — Medium
(516) Longest Palindromic Subsequence — Medium
(2418) Sort the People — Easy
(35) Search Insert Position — Easy
(1768) Merge Strings Alternately — Easy
(39) Combination Sum — Medium
(3699) Number of ZigZag Arrays I — Hard
(410) Split Array Largest Sum — Hard
(763) Partition Labels — Medium
(4) Median of Two Sorted Arrays — Hard
(136) Single Number — Easy
(3737) Count Subarrays With Majority Element I — Medium
(416) Partition Equal Subset Sum — Medium
(438) Find All Anagrams in a String — Medium
(137) Single Number II — Medium
(567) Permutation in String — Medium
(242) Valid Anagram — Easy
(373) Find K Pairs with Smallest Sums — Medium
(1929) Concatenation of Array — Easy
(130) Surrounded Regions — Medium
(1011) Capacity To Ship Packages Within D Days — Medium
(169) Majority Element — Easy
(230) Kth Smallest Element in a BST — Medium
(287) Find the Duplicate Number — Medium
(779) K-th Symbol in Grammar — Medium
(205) Isomorphic Strings — Easy
(141) Linked List Cycle — Easy
(118) Pascal's Triangle — Easy
(223) Rectangle Area — Medium
(73) Set Matrix Zeroes — Medium
(653) Two Sum IV - Input is a BST — Easy
(1021) Remove Outermost Parentheses — Easy
(543) Diameter of Binary Tree — Easy
(1288) Remove Covered Intervals — Medium
(1148) Article Views I — Easy
(3754) Concatenate Non-Zero Digits and Multiply by Sum I — Easy
(645) Set Mismatch — Easy
(3532) Path Existence Queries in a Graph I — Medium
(1732) Find the Highest Altitude — Easy
(134) Gas Station — Medium
(25) Reverse Nodes in k-Group — Hard
(283) Move Zeroes — Easy
(526) Beautiful Arrangement — Medium
(55) Jump Game — Medium
(8) String to Integer (atoi) — Medium
(233) Number of Digit One — Hard
(98) Validate Binary Search Tree — Medium
(162) Find Peak Element — Medium
(122) Best Time to Buy and Sell Stock II — Medium
(349) Intersection of Two Arrays — Easy
(740) Delete and Earn — Medium
(101) Symmetric Tree — Easy
(2484) Count Palindromic Subsequences — Hard
(345) Reverse Vowels of a String — Easy
(312) Burst Balloons — Hard
(198) House Robber — Medium
(605) Can Place Flowers — Easy
(929) Unique Email Addresses — Easy
(496) Next Greater Element I — Easy
(733) Flood Fill — Easy
(264) Ugly Number II — Medium
(3513) Number of Unique XOR Triplets I — Medium
(17) Letter Combinations of a Phone Number — Medium
(1358) Number of Substrings Containing All Three Characters — Medium
(3336) Find the Number of Subsequences With Equal GCD — Hard
(125) Valid Palindrome — Easy
(1143) Longest Common Subsequence — Medium
(235) Lowest Common Ancestor of a Binary Search Tree — Medium
(1547) Minimum Cost to Cut a Stick — Hard
(46) Permutations — Medium
(402) Remove K Digits — Medium
(2402) Meeting Rooms III — Hard
(680) Valid Palindrome II — Easy
(2235) Add Two Integers — Easy
(1838) Frequency of the Most Frequent Element — Medium
(1091) Shortest Path in Binary Matrix — Medium
(180) Consecutive Numbers — Medium
(1109) Corporate Flight Bookings — Medium
(183) Customers Who Never Order — Easy
(1071) Greatest Common Divisor of Strings — Easy
(1544) Make The String Great — Easy
(1480) Running Sum of 1d Array — Easy
(525) Contiguous Array — Medium
(218) The Skyline Problem — Hard
(347) Top K Frequent Elements — Medium
(322) Coin Change — Medium
(100) Same Tree — Easy
(930) Binary Subarrays With Sum — Medium
(837) New 21 Game — Medium
(54) Spiral Matrix — Medium
(209) Minimum Size Subarray Sum — Medium
(219) Contains Duplicate II — Easy
(435) Non-overlapping Intervals — Medium
(877) Stone Game — Medium
(279) Perfect Squares — Medium
(2126) Destroying Asteroids — Medium
(189) Rotate Array — Medium
(1343) Number of Sub-arrays of Size K and Average Greater than or Equal to Threshold — Medium
(389) Find the Difference — Easy
(204) Count Primes — Medium
(44) Wildcard Matching — Hard
(368) Largest Divisible Subset — Medium
(216) Combination Sum III — Medium
(34) Find First and Last Position of Element in Sorted Array — Medium
(226) Invert Binary Tree — Easy
(167) Two Sum II - Input Array Is Sorted — Medium
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