| Find floor of target element in a sorted array |
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| Find the nearest numbers that have same number of 1s for an integer |
|
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| Implement selection sort on stack |
|
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| List Combinations - Generate unique combinations from list selecting 1 element from each |
Medium
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| Longest Substring with K distinct characters |
|
google
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| Maximum Pairwise Product 1 - Given only Positive Integers |
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| Remove duplicates from an unsorted linked list keeping only one instance |
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| Replace all spaces in c-style string with '%20' |
|
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| Rotate String Problem |
Easy
|
amazon
apple
ebay
google
linkedin
microsoft
oracle
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| Set all bits of a number in a range equal to another number |
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| Swap odd and even bits in an integer |
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cisco
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| Find smallest letter greater than target in a sorted array of letters |
Easy
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linkedin
|
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| Find Common Elements in Two Sorted Linked Lists |
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| Find last modular node in linked list for given k |
|
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| Check if the length of a linked list is even or odd |
|
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| Array-based Trie Implementation |
|
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| Count Beautiful Numbers |
Hard
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| Count Cells in Overlapping Horizontal and Vertical Substrings |
Medium
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| Count Partitions with Even Sum Difference |
Easy
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| Count Special Subsequences |
Medium
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|
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| Count Substrings Divisible By Last Digit |
Hard
|
|
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| Design a 3D Binary Matrix with Efficient Layer Tracking |
Medium
|
|
|
| Design an Array Statistics Tracker |
Hard
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|
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| Design Task Manager |
Medium
|
|
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| Digit Operations to Make Two Integers Equal |
Medium
|
|
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| DNA Pattern Recognition |
Medium
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|
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| Eat Pizzas! |
Medium
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|
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| Equal Sum Grid Partition II |
Hard
|
|
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| Find Circular Gift Exchange Chains |
Hard
|
|
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| Find Closest Person |
Easy
|
|
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| Find Invalid IP Addresses |
Hard
|
|
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| Find Minimum Cost to Remove Array Elements |
Medium
|
|
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| Find Mirror Score of a String |
Medium
|
|
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| Find Most Frequent Vowel and Consonant |
Easy
|
|
|
| Find Product Recommendation Pairs |
Medium
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|
|
| Find Products with Three Consecutive Digits |
Easy
|
|
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| Find Products with Valid Serial Numbers |
Easy
|
|
|
| Find Special Substring of Length K |
Easy
|
|
|
| Find Students Who Improved |
Medium
|
|
|
| Find Sum of Array Product of Magical Sequences |
Hard
|
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| Find the Lexicographically Largest String From the Box II |
Hard
|
|
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| Find the Most Common Response |
Medium
|
|
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| Find the Number of Copy Arrays |
Medium
|
|
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| Find Valid Emails |
Easy
|
|
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| Find Valid Pair of Adjacent Digits in String |
Easy
|
|
|
| Find X Value of Array I |
Medium
|
|
|
| Find X Value of Array II |
Hard
|
|
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| First Letter Capitalization II |
Hard
|
|
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| Frequencies of Shortest Supersequences |
Hard
|
|
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| Fruits Into Baskets II |
Easy
|
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