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Array 138 Dynamic Programming 114 String 110 Math 104 Tree 92 Hash Table 87 Depth-first Search 84 Binary Search 58 Two Pointers 46 Breadth-first Search 43 Backtracking 39 Stack 39 Design 38 Greedy 38 Linked List 34 Bit Manipulation 31 Heap 31
Array 138 Dynamic Programming 114 String 110 Math 104 Tree 92 Hash Table 87 Depth-first Search 84 Binary Search 58 Two Pointers 46 Breadth-first Search 43 Backtracking 39 Stack 39 Design 38 Greedy 38 Linked List 34 Bit Manipulation 31 Heap 31 Sort 20 Graph 19 Divide and Conquer 15 Union Find 15 Trie 14 Binary Search Tree 13 Recursion 10 Segment Tree 9 Queue 8 Random 6 Binary Indexed Tree 5 Topological Sort 5 Minimax 4 Brainteaser 3 Map 2 Rejection Sampling 2 Reservoir Sampling 2 Geometry 1 Memoization 1
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Google 557 Amazon 368 Facebook 350 Microsoft 286 Bloomberg 217 Adobe 191 Uber 165 Apple 159 LinkedIn 133 Alibaba 114 Yahoo 101 Snapchat 99 Airbnb 93 Baidu 93 Twitter 82 Yelp 81 Tencent 63 eBay 54 Goldman Sachs 44 Zenefits 44 Pocket Gems 42 Lyft 34 Expedia 32 Two Sigma 27 Pinterest 26 Intuit 23 Palantir 23 Square 23 Dropbox 21 Hulu 20 NetEase 20 Aetion 19 Mathworks 17 Yahoo! 17 Indeed 16 IXL 16 Samsung 15 Works Applications 14 Coursera 13 Affirm 12 Quora 12 Rubrik 12 Coupang 10 GoDaddy 10 Epic Systems 9 Zappos 9 LiveRamp 8 Cloudera 7 Pure Storage 7 Citadel 6 Houzz 6 Palantir Technologies 6 Akuna Capital 5 Quip 5 WAP 5 Wish 5 AppDynamics 4 Databricks 4 Drawbridge 4 Gilt Groupe 4 MAQ Software 4 Riot 4 TripleByte 4 Dataminr 3 DoorDash 3 Games 3 Jane Street 3 Netsuite 3 Riot Games 3 Storage 3 Fallible 2 ForUsAll 2 Goo 2 Helix 2 Pony.ai 2 Radius 2 Roblox 2 Valve 2 Yatra 2 Fidessa 1 Garena 1 GE Digital 1 Hedvig 1 IIT Bombay 1 InMobi 1 Jingchi 1 Leap Motion 1 Machine Zone 1 National Instruments 1 Poynt 1 Pure 1 Rackspace 1 sapient 1 TinyCo 1 Walmart Labs 1
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