| Design and implement Connect 4 |
Hard
|
salesforce
|
|
| Reverse a directed graph |
Medium
|
yahoo
|
|
| Count Subarrays of Length Three With a Condition |
Easy
|
|
|
| Minimum Operations to Make Array Values Equal to K |
Easy
|
|
|
| Range Frequency Queries |
Medium
|
|
|
| Build Array from Permutation |
Easy
|
|
|
| Count of Range Sum |
Hard
|
google
|
|
| Domino and Tromino Tiling |
Medium
|
google
|
|
| Online Majority Element In Subarray |
Hard
|
google
nutanix
|
|
| Range Sum Query 2D - Mutable |
Medium
|
facebook
google
microsoft
|
|
| Super Egg Drop |
Hard
|
facebook
goldman-sachs
google
microsoft
|
|
| Type of Triangle |
Easy
|
|
|
| Minimum Number of Operations to Make Elements in Array Distinct |
Easy
|
|
|
| Lowest Common Ancestor of Deepest Leaves |
Medium
|
bloomberg
facebook
google
|
|
| Maximum Value of an Ordered Triplet II |
Medium
|
|
|
| Maximum Value of an Ordered Triplet I |
Easy
|
|
|
| Solving Questions With Brainpower |
Medium
|
|
|
| Put Marbles in Bags |
Hard
|
|
|
| Apply Operations to Maximize Score |
Hard
|
|
|
| Maximum Number of Points From Grid Queries |
Hard
|
|
|
| Minimum Operations to Make a Uni-Value Grid |
Medium
|
|
|
| Check if Grid can be Cut into Sections |
Medium
|
|
|
| Minimum in a Binary Tree |
Easy
|
|
|
| Count Days Without Meetings |
Medium
|
|
|
| Number of Ways to Arrive at Destination |
Medium
|
|
|
| Count the Number of Complete Components |
Medium
|
|
|
| Find All Possible Recipes from Given Supplies |
Medium
|
|
|
| Minimum Cost Walk in Weighted Graph |
Hard
|
|
|
| Minimum Operations to Make Binary Array Elements Equal to One I |
Medium
|
|
|
| Longest Nice Subarray |
Medium
|
|
|
| Divide Array Into Equal Pairs |
Easy
|
|
|
| Minimum Time to Repair Cars |
Medium
|
|
|
| Flatten binary search tree to sorted linked list |
|
|
|
| Maximum Candies Allocated to K Children |
Medium
|
|
|
| Zero Array Transformation 3 |
Medium
|
|
|
| Zero Array Transformation 2 |
Medium
|
|
|
| Zero Array Transformation 1 |
Medium
|
|
|
| Maximum Count of Positive Integer and Negative Integer |
Easy
|
|
|
| Number of Substrings Containing All Three Characters |
Medium
|
de-shaw
|
|
| Alternating Groups 2 |
Medium
|
|
|
| Closest Prime Numbers in Range |
Medium
|
|
|
| Find Missing and Repeated Values |
Easy
|
|
|
| Count Total Number of Colored Cells |
Medium
|
|
|
| Check if Number is a Sum of Powers of Three |
Medium
|
|
|
| Merge Two 2D Arrays by Summing Values |
Easy
|
|
|
| Apply Operations to an Array |
Easy
|
|
|
| Length of Longest Fibonacci Subsequence |
Medium
|
amazon
baidu
|
|
| Maximum Absolute Sum of Any Subarray |
Medium
|
|
|
| Number of Sub-arrays With Odd Sum |
Medium
|
|
|
| Most Profitable Path in a Tree |
Medium
|
|
|