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layout: page
title:  Amazon Top 50
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##Top 50 amazon Tagged questions
Also prepared a list which only contains non premium questions but this post contains both premium and non premium questions.

- [Two Sum](https://leetcode.com/problems/two-sum)
- [Longest Palindromic Substring](https://leetcode.com/problems/longest-palindromic-substring)
- [3Sum](https://leetcode.com/problems/3sum)
- [Merge Two Sorted Lists](https://leetcode.com/problems/merge-two-sorted-lists)
- [Merge k Sorted Lists](https://leetcode.com/problems/merge-k-sorted-lists)
- [Trapping Rain Water](https://leetcode.com/problems/trapping-rain-water)
- [Group Anagrams](https://leetcode.com/problems/group-anagrams)
- [Maximum Subarray](https://leetcode.com/problems/maximum-subarray)
- [Word Search](https://leetcode.com/problems/word-search)
- [Binary Tree Zigzag Level Order Traversal](https://leetcode.com/problems/binary-treezigzag-level-order-traversal)
- [Best Time to Buy and Sell Stock](https://leetcode.com/problems/best-time-to-buy-and-sell-stock)
- [Word Ladder II](https://leetcode.com/problems/word-ladder-ii)
- [Word Ladder](https://leetcode.com/problems/word-ladder)
- [Copy List with Random Pointer](https://leetcode.com/problems/copy-list-with-random-pointer)
- [Word Break](https://leetcode.com/problems/word-break)
- [Word Break II](https://leetcode.com/problems/word-break-ii)
- [LRU Cache](https://leetcode.com/problems/lru-cache)
- [Min Stack](https://leetcode.com/problems/min-stack)
- [Number of Islands](https://leetcode.com/problems/number-of-islands)
- [Course Schedule II](https://leetcode.com/problems/course-schedule-ii)
- [Word Search II](https://leetcode.com/problems/word-search-ii)
- [Basic Calculator II](https://leetcode.com/problems/basic-calculator-ii)
- [Sliding Window Maximum](https://leetcode.com/problems/sliding-window-maximum)
- [Search a 2D Matrix II](https://leetcode.com/problems/search-a-2d-matrix-ii)
- [Meeting Rooms II](https://leetcode.com/problems/meeting-rooms-ii)
- [Alien Dictionary](https://leetcode.com/problems/alien-dictionary)
- [Integer to English Words](https://leetcode.com/problems/integer-to-english-words)
- [Find Median from Data Stream](https://leetcode.com/problems/find-median-from-datastream)
- [Serialize and Deserialize Binary Tree](https://leetcode.com/problems/serialize-and-deserialize-binary-tree)
- [Design Snake Game](https://leetcode.com/problems/design-snake-game)
- [Insert Delete GetRandom O(1)](https://leetcode.com/problems/insert-delete-getrandom-o1)
- [LFU Cache](https://leetcode.com/problems/lfu-cache)
- [Concatenated Words](https://leetcode.com/problems/concatenated-words)
- [Subtree of Another Tree](https://leetcode.com/problems/subtree-of-another-tree)
- [Design In-Memory File System](https://leetcode.com/problems/design-in-memory-file-system)
- [Design Search Autocomplete System](https://leetcode.com/problems/design-search-autocomplete-system)
- [Top K Frequent Words](https://leetcode.com/problems/top-k-frequent-words)
- [Number of Distinct Islands](https://leetcode.com/problems/number-of-distinct-islands)
- [Partition Labels](https://leetcode.com/problems/partition-labels)
- [Most Common Word](https://leetcode.com/problems/most-common-word)
- [All Nodes Distance K in Binary Tree](https://leetcode.com/problems/all-nodes-distance-k-in-binary-tree)
- [Snakes and Ladders](https://leetcode.com/problems/snakes-and-ladders)
- [Reorder Data in Log Files](https://leetcode.com/problems/reorder-data-in-log-files)
- [Prison Cells After N Days](https://leetcode.com/problems/prison-cells-after-n-days)
- [K Closest Points to Origin](https://leetcode.com/problems/k-closest-points-to-origin)
- [Rotting Oranges](https://leetcode.com/problems/rotting-oranges)
- [Analyze User Website Visit Pattern](https://leetcode.com/problems/analyze-user-website-visit-pattern)
- [Minimum Cost to Connect Sticks](https://leetcode.com/problems/minimum-cost-to-connect-sticks)
- [Critical Connections in a Network](https://leetcode.com/problems/critical-connections-in-a-network)