Amazon近半年电面题.pdf亚马逊近半年来的电面coding题目，包括LeetCode上对应的题

文件名称: Amazon近半年电面题.pdf

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详细说明：亚马逊近半年来的电面coding题目，包括LeetCode上对应的题号12/12018 (5)Amazon -LeetCode ˇ轷0亓R(x,n) problems/ powx-n) Aceptance MftliHunty Frequency 0 51 N-Queens (problems/n-queens) 36.3% Hard v 53 Maximum Subarray (problems/maximum-subarray) 41.8% Easy v 54 Spiral Matrix ( problems/spiral-matrix) 28.7% Medium v 56 Merge Intervals(problems/merge-intervals) 338% Medium √59 Spiral matrix‖( problems/ spiral- matrix-) 44.0 Medium v 62 Unique Paths problems/unique-paths 45.2‰ Medium v 63 Unique Paths ll(problems/unique-paths 32.8% Medium 64 Minimum Path Sum(problems/minimum-path-sum)44.0% Medium 70 Climbing Stairs(problems/climbing-stairs 42.4% Easy v 71 Simplify Path(problems/simplify-path 27.5% Medium v 72 Edit Distance(problems/edit-distance 35.1 ard 73 Set Matrix Zeroes problems/set-matrix-zeroes 38.1% Medium v 74 Search a 2D Matrix ( problems/search-a-2d-matrix 34.4% edium v 76 Minimum Window Substring(problems/minimum 289% Hard window-substring v 78 Subsets (problems/subsets) 49.0% Medium v 79 Word Search(/problems/word-search 29.5% Medium v 81 Search in Rotated Sorted Array ll(problems/search- 32.4% Medium n-rotated-sorted-array-i) v 84 Largest Rectangle in Histogram problems/largest 29.3 Hard rectangle-in-histogram) v 88 Merge Sorted Array(problems/merge-sorted-array) 33.9 Easy v 91 Decode Ways(problems/decode-ways 21.3% Medium v 92 Reverse Linked List II(problems/reverse-linked-list-1i) 33.1% Medium v 93 Restore IP Addresses(problems/restore- ip-addresses) 29. 9% Medium 94 Binary Tree Inorder Traversal problems/binary-tree 53.4% Medium inorder-traversal hElps //leetcode. coIn/companly/aInlazUnl/ 12/12018 (5)Amazon -LeetCode v 97 nitRleaving String (problems/interleaving-string) 吣68 tance iff山 Ity Frequency 2 v 98 Validate Binary Search Tree(problems/validate-binary- 24.7% Medium search -tree v 99 Recover Binary Search Tree(problems/recover-binary- 33.0% Hard search-tree 100 Same Tree(problems/same-tree 48.8% Easy v 101 Symmetric Tree(problems/symmetric-tree 41.9 Easy v 102 Binary Tree Level Order Traversal (problems/binary 456% Medium tree-level-order-traversal) v 103 Binary Tree Zigzag Level Order Traversal 392% Medium (problems/binary-tree-zigzag-level-order-traversal) v 105 Construct Binary Tree from Preorder and Inorder 37.9% Medium Traversal(problems/construct-binary-tree-from preorder-and-inorder-traversal) v 108 Convert Sorted Array to Binary Search Tree 47.7% asy (problems/convert-sorted-array-to-binary-search-tree) v 112 Path Sum(problems/path-sum) 363% Easy) v 114 Flatten Binary Tree to Linked List(problems/flatten 39.7% Medium binary-tree-to-linked-list v 121 Best T ime to Buy and sell Stock (problems/best-time-45.1% Easy to-buy-and-sell-stock) v 122 Best Time to Buy and Sell Stock I(problems/best- 49.9% Easy time-to-buy-and-sell-stock-ll v 124 Binary Tree Maximum Path Sum (problems/binary- 28.5 Hard tree-maximum-path-sum v 126 Word Ladder Il(problems/word-ladder-ii 162% Hard v 127 Word Ladder problems/word-ladder) 21.8% Medium v 128 Longest Consecutive Sequence(problems/longest-.0% Hard consecutive-sequence) v 129 Sum Root to Leaf Numbers problems/sum-root-to-.2% Medium leat-numbers 1?1 Dolindyoma doytitioning /nrablomsnolindvam 口9?0 hElps //leetcode. coIn/companly/aInlazUnl/ 12/12018 (5)Amazon -LeetCode Io anatone ran LitiongvpioDienns/pannlaronne O.70 Medium #高 rationing) Acceptance Difficulty Frequency 2 133 Clone Graph(problems/clone-graph) 25.1% medium v 138 Copy List with Random Pointer (problems/copy-list- 25.6% Medium with-random-pointer) v 139 Word Break problems/word-break 33.3% Medium) v 140 Word Break Il (/problems/word-break-ii 26.0 Hard v 141 Linked List Cycle(problems/inked-list-cycle) 34.6% Easy v 146 LRU Cache(/problems/ru-cache 225% Hard v 149 Max Points on a Line problems/max-points-on -a-line) 15.4% Hard v 150 Evaluate Reverse Polish Notation(problems/evaluate- 30.5% Mediu reverse-polish-notation) v 153 Find Minimum in Rotated Sorted Array(problems/find-.0% Medium minimum-in-rotated-sorted-array) v 155 Min Stack (problems/min-stack 34.1% Easy v 159 Longest Substring with At Most Two Distinct 44.7% Hard Characters(problems/longest-substring-with-at-most- tWo-distinct-characters) v 162 Find Peak Element(problems/find-peak-element 40.1 edium v 163 Missing Ranges (/problems/missing- ranges) 22.8 Medium v 165 Compare Version Numbers (problems/compare- 21.9% Medium version-numbers) v 167 Two Sum Il-Input array is sorted problems/two-sum -48.1% Easy li-input-array-is-sorted v 169 Majority Element Problems/majority-element) 50.3‰ Easy v 173 Binary Search Tree Iterator problems/binary-search- 45. 3% Medium tree-iterator) v 176 Second Highest Salary (problems/second-highest- 250% Easy salary) 184 Department Highest Salary(problems/department 254% Medium highest-salary) hElps //leetcode. coIn/companly/aInlazUnl/ 12/12018 (5)Amazon -LeetCode 185 Deartment Top Three Salaries Aceptance pHiticulty Frequency 2 (problems/department-top-three-salaries v 191 Number of 1 Bits problems/number-of-1-bits 409% Easy v 198 House Robber(problemshouse- robber) 40.5% Ea asy v 199 Binary Tree Right Side view(problems/binary-tree 45.3% ediu right-side-view) v 200 Number of Islands problems/number-of-islands 389% Medium v 203 Remove Linked List Elements(problems/remove 34.6% Easy linked-list-elements v 206 Reverse Linked List(/problems/reverse-linked-list 508% v 207 Course Schedule problems/course-schedule 35.5 Medium v 208 Implement Trie(Prefix Tree)(problems/implement-trie- 34.9% Medium prefix-tree) 210 Course Schedule ll problems/course-schedule-ii 32.5% Medium v 211 Add and search Word- Data structure design 27.9% Medium (problems/add-and-search-word-data-structure- design v 212 Word Search Il (problems/word-search-ii 26.5% Hard v 215 Kth Largest Element in an Array problems/kth 44.1% Mediu largest-element-in-an-array v 218 The Skyline Problem (problems/the-skyline-problem) 30. 3% Hard v 221 Maximal Squareproblems/maximal-square 31.6 Medium V 224 Basic Calculator (problems/basic-calculator) 30.7 Hard v 227 Basic Calculator Il(problems/basic-calculator-ii 31.8% Medium v 230 Kth Smallest Element in a BST(problems/kth 48.4% Medium smallest-element-in-a-bst) √231 Power of two∥ problems/ Dower-of-two) 41.3% Easy v 235 Lowest Common Ancestor of a Binary Search Tree 42.2 Easy (problems/lowest-common-ancestor-of-a-binary search-tree) 冂?A AA+自 ommon nestor八 fo Rino Tra 口?0 hElps //leetcode. coIn/companly/aInlazUnl/ 12/12018 (5)Amazon -LeetCode o LOWEsL Conl∧ stor oi a billary nlee 70 Medium vitleblems/lowest-common-ancestor-of-a-binary-tree) Acceptance Difficulty Frequency e v 238 Product of Array Except Self (problems/product-of 52.6% Medium array-except-self) v 239 Sliding Window Maximum(problems/sliding-Window- 36.1% lard maximum) v 240 Search a 2D Matrix lI(problems/search-a-2d-matrix-1i)39.7% Medium v 252 Meeting Rooms(problems/meeting-rooms)d 50.4% Easy 253 Meeting Rooms ll(problems/meeting-rooms-ii) 40.9% Medium v 261 Graph Valid Tree(/problems/graph-valid-tree) 390 Medium v 268 Missing Number(problems/missing-number) 46.6% Easy 269 Alien Dictionary (problems/alien-dictionary 288% Hard 273 Integer to english Words v problems/integer-to-english 23.4% words) 277 Find the Celebrity (problems/find-the-celebrity) d 35.0% Medium v 279 Perfect Squares(problems/perfect-squares 39.3% Medill 284 Peeking Iterator (problems/peeking-iterator) 37.9 Medium v 285 Inorder Successor in BST (problems/inorder 33.0% Medium successor-in-bst v 286 Walls and Gates(problems/walls-and-gates)n 47.3% Medium v 287 Find the Duplicate Number( problems/find-the 468% (Medium duplicate-number 289 Game of Life(problems/game-of-life) 41.2 Medium 295 Find Median from Data Stream(problems/find 33.0% Hard median-from-data-stream) v 297 Serialize and Deserialize Binary Tree 37.9% Hard (problems/serialize-and-deserialize-binary-tree v 298 Binary Tree Longest Consecutive Sequence 42.8% Medium (problems/binary-tree-longest-consecutive-sequence 305 Number of Islands ll(problems/number-of-islands-1i) 40.8% Hard hElps //leetcode. coIn/companly/aInlazUnl/ 12/12018 (5)Amazon -LeetCode # Title Acceptance Difficulty Frequency 312 Burst Balloons problems/burst-balloons) 45.2 (Hard 314 Binary Tree Vertical Order Traversal (problems/binary- 39.3% Medium tree-vertical-order-traversal) v 315 Count of Smaller Numbers After Self (problems/count-.1% Hard of-smaller-numbers-after-self) 317 Shortest Distance from All Buildings 360% Hard (problems/shortest-distance-from-all-buildings) v 322 Coin Change (problems/coin-change 27.8% Medium v 323 Number of Connected Components in an Undirected 50.4% alum Graph(problems/number-of-connected-components in-an-undirected-graph) 325 Maximum Size Subarray Sum Equals k 43.9% Medium (problems/maximum-size-subarray-sum-equals-k) v 329 Longest Increasing Path in a Matrix 38.4% lard (problems/longest-increasing-path-in -a-matrix v 332 Reconstruct Itinerary (problems/reconstruct-itinerary) 30.1% Medium 341 Flatten Nested List Iterator (problems/flatten- nested 45.5% Medium list-iterator) v 344 Reverse String (problems/reverse-string 61.9 Easy v 347 Top K Frequent Elements(problems/top-k-frequent- 51.8% Medium elements 348 Design Tic-Tac-Toe(problems/design-tic-tac-toe) 47.4% Medium v 349 Intersection of Two Arrays(problems/intersection-of- 51.2% Easy two-arrays) 353 Design Snake Game problems/design-snake-game) 28.8% Medium v 373 Find K Pairs with Smallest Sums(problems/find-k 32.3% edium pairs-with-smallest-sums V 378 Kth Smallest element in a sorted matrix 47.1% Medium (problems/kth-smallest-element-in-a-sorted-matrix) v 380 Insert Delete GetRandom O(1)(problems/insert- 41.2% Medium hElps //leetcode. coIn/companly/aInlazUnl/ 12/12018 (5)Amazon -LeetCode delete-getrandom-O1) # Title Acceptance Difficulty Frequency v 381 Insert Delete GetRandom o(1-Duplicates allowed 30.6% (Hard (problems/insert-delete-getrandom-o1-duplicates allowed) 387 First Unique Character in a String(problems/first 48.0 Easy unique-character-in-a-string v 406 Queue Reconstruction by Height (problems/queue 57.7 Medium reconstruction-by-height) 417 Pacific Atlantic Water Flow(problems/pacific-atlantic- 35.7% Medium water-flow) v 449 Serialize and Deserialize BST(problems/serialize-and-44.4% edium deserialize-bst 454 4Sum ll(problems/4sum-ii) 489% Medium 460 LFU Cache (problems/fu-cache) 27.0% Hard 490 The Maze(problems/the-maze) 45.3% Medium v 496 Next Greater Element Problems/next-greater- 57.7 Easy element-i 503 Next Greater Element ll Problems/next-greater 49.1 Medium element - 518 Coin Change 2(problems/coin-change-2) 395 Medium v 535 Encode and Decode TinyURL (problems/encode-and- 74.8% Medium decode-tinyurl v 543 Diameter of Binary Tree (problems/diameter-of-binary- 45.5% Easy tree 545 Boundary of Binary Tree(problems/boundary-of- 33.3 Medium binary-tree v 560 Subarray Sum Equals K(problems/ subarray-sum 40.7% edium equals-k v 572 Subtree of Another Tree(problems/subtree-of 40.6% Easy another-tree 588 Design In-Memory File System(problems/design-in- 37.0% Hard hElps //leetcode. coIn/companly/aInlazUnl/ 9112 12/12018 (5)Amazon -LeetCode memory-tile-system) # Title Acceptance Difficulty Frequency v 617 Merge Two Binary Trees problems/merge-two-binary- 68.1% Easy trees) 626 Exchange Seats(/problems/exchange-seats 50.2 Medium 642 Design Search Autocomplete System 33.6% Hard (problems/design-search-autocomplete-system) v 647 Palindromic Substrings(problems/palindromic- 54.7% Medium substrings 652 Find Duplicate Subtrees (problems/find-duplicate- 42.0% (Medium subtrees 653 TWo Sum IV-Input is a BSt(problems/tWo-sum-iv- 51.2% Easy input-is-a-bst) v 657 Robot Return to Origin(problems/robot-return-to- 69.7% Easy origin) v 658 Find K closest Elements problems/find-k-closest 358% Medium elements 675 Cut Off Trees for Golf Event (problems/cut-off-trees-.1% Hard for-golt-event) 678 Valid Parenthesis String problems/valid-parenthesis- 30.9% Medium string) 682 Baseball Game(problems/baseball-game 59.3 Easy v 692 Top K Frequent Words(problems/top-k-frequent 43.4 Medium words) v 694 Number of Distinct Islands(problems/number-of- 48.0 Medium distinct-islands v 695 Max Area of Island problems/max-area-of-island 54.4 Medium v 716 Max Stack(problems/max-stack 38.2% Easy 720 Longest Word in Dictionary (problems/longest-Word- 42.7% Easy in-dictionary) v 733 Flood Fill (problems/flood-fill) 48.6% Easy v 739 Daily Temperatures problems/daily-temperatures) 56.7% Medium hElps //leetcode. coIn/companly/aInlazUnl/ 1012

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