| Count Equal and Divisible Pairs in an Array |
Easy
|
|
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| Count Good Triplets |
Easy
|
turvo
|
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| Smallest positive integer that cannot be represented as the sum of a subset of a sorted array |
Easy
|
amazon
|
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| Find the nth sevenish number |
Easy
|
zillow
|
|
| Minimum Operations to Make Array Values Equal to K |
Easy
|
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|
| Minimum Number of Operations to Make Elements in Array Distinct |
Easy
|
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|
| Maximum Value of an Ordered Triplet I |
Easy
|
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|
| Minimum in a Binary Tree |
Easy
|
|
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| Divide Array Into Equal Pairs |
Easy
|
|
|
| Maximum Count of Positive Integer and Negative Integer |
Easy
|
|
|
| Find Missing and Repeated Values |
Easy
|
|
|
| Merge Two 2D Arrays by Summing Values |
Easy
|
|
|
| Apply Operations to an Array |
Easy
|
|
|
| Length of the Longest Consecutive 1s in Binary Representation |
Easy
|
stripe
|
|
| Collatz Sequence |
Easy
|
apple
|
|
| Clear Digits |
Easy
|
|
|
| Maximum Ascending Subarray Sum |
Easy
|
|
|
| Permutation of Array using given order |
Easy
|
twitter
|
|
| Next Permutation of Integer |
Easy
|
ibm
|
|
| Longest Strictly Increasing or Strictly Decreasing Subarray |
Easy
|
|
|
| Check if Array Is Sorted and Rotated |
Easy
|
|
|
| Longest subarray with distinct elements |
Easy
|
google
|
|
| Check if any pair of rectangles overlap |
Easy
|
google
|
|
| Area of intersection of two rectangles |
Easy
|
google
|
|
| Run a Markov chain and count state visits |
Easy
|
google
|
|
| Flatten a nested dictionary |
Easy
|
stripe
|
|
| Busiest period in a building |
Easy
|
amazon
|
|
| Counting Words With a Given Prefix |
Easy
|
|
|
| Count Prefix and Suffix Pairs 1 |
Easy
|
|
|
| Design a Sparse Array |
Easy
|
facebook
|
|
| String Matching in an Array |
Easy
|
amazon
|
|
| Design hit counter with range queries |
Easy
|
riot-games
|
|
| Check if target word exists in matrix horizontally or vertically |
Easy
|
microsoft
|
|
| Expected number of rounds to reach one remaining coin |
Easy
|
microsoft
|
|
| Check if doubly linked list is palindrome |
Easy
|
google
|
|
| Return two prime numbers that sum to a given even number |
Easy
|
alibaba
|
|
| Final Prices With a Special Discount in a Shop |
Easy
|
|
|
| Final Array State After K Multiplication Operations 1 Problem |
Easy
|
|
|
| Take Gifts From the Richest Pile |
Easy
|
|
|
| Duplicate each node in a binary search tree and add as its left child |
Easy
|
|
|
| Find a Corresponding Node of a Binary Tree in a Clone of That Tree |
Easy
|
facebook
|
|
| Find GCD of n numbers |
Easy
|
amazon
|
|
| Maximum in a Binary Search Tree |
Easy
|
|
|
| Maximum in a Binary Tree |
Easy
|
|
|
| Min Queue Problem |
Easy
|
|
|
| Minimum in a Binary Search Tree |
Easy
|
|
|
| Print or return all the full nodes in a binary tree |
Easy
|
|
|
| Range Sum Query - Immutable |
Easy
|
amazon
bloomberg
facebook
goldman-sachs
google
microsoft
palantir-technologies
|
|
| Return or print all leaf nodes of a binary tree |
Easy
|
|
|
| Search an element in a binary tree |
Easy
|
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