Amazon
2015 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 1219. Path with Maximum Gold | Medium | 7.2% | TopicsArrayBacktrackingMatrix |
| 1232. Check If It Is a Straight Line | Easy | 7.2% | TopicsArrayMathGeometry |
| Report Contiguous Dates | Hard | 7.2% | TopicsDatabase |
| 1352. Product of the Last K Numbers | Medium | 7.2% | TopicsArrayMathDesignData StreamPrefix Sum |
| 1422. Maximum Score After Splitting a String | Easy | 7.2% | TopicsStringPrefix Sum |
| 1523. Count Odd Numbers in an Interval Range | Easy | 7.2% | TopicsMath |
| 1561. Maximum Number of Coins You Can Get | Medium | 7.2% | TopicsArrayMathGreedySortingGame Theory |
| Dot Product of Two Sparse Vectors | Medium | 7.2% | TopicsArrayHash TableTwo PointersDesignLinear Algebra |
| 1637. Widest Vertical Area Between Two Points Containing No Points | Easy | 7.2% | TopicsArraySorting |
| 1669. Merge In Between Linked Lists | Medium | 7.2% | TopicsLinked List |
| 1647. Minimum Deletions to Make Character Frequencies Unique | Medium | 7.2% | TopicsHash TableStringGreedySorting |
| 1688. Count of Matches in Tournament | Easy | 7.2% | TopicsMathSimulation |
| 1689. Partitioning Into Minimum Number Of Deci-Binary Numbers | Medium | 7.2% | TopicsStringGreedy |
| 1716. Calculate Money in Leetcode Bank | Easy | 7.2% | TopicsMath |
| 1718. Construct the Lexicographically Largest Valid Sequence | Medium | 7.2% | TopicsArrayBacktracking |
| 1859. Sorting the Sentence | Easy | 7.2% | TopicsStringSortingBubble Sort |
| 1882. Process Tasks Using Servers | Medium | 7.2% | TopicsArrayHeap (Priority Queue) |
| 1909. Remove One Element to Make the Array Strictly Increasing | Easy | 7.2% | TopicsArray |
| 1963. Minimum Number of Swaps to Make the String Balanced | Medium | 7.2% | TopicsTwo PointersStringStackGreedyBracket Sequences |
| 2116. Check if a Parentheses String Can Be Valid | Medium | 7.2% | TopicsStringStackGreedyBracket Sequences |
| 2127. Maximum Employees to Be Invited to a Meeting | Hard | 7.2% | TopicsArrayDynamic ProgrammingDepth-First SearchGraph TheoryTopological SortKosaraju's AlgorithmTarjan's SCC Algorithm |
| 2104. Solving Questions With Brainpower | Medium | 7.2% | TopicsArrayDynamic Programming |
| 2220. Minimum Bit Flips to Convert Number | Easy | 7.2% | TopicsBit Manipulation |
| 2360. Longest Cycle in a Graph | Hard | 7.2% | TopicsDepth-First SearchBreadth-First SearchGraph TheoryTopological SortKosaraju's AlgorithmTarjan's SCC Algorithm |
| 2441. Largest Positive Integer That Exists With Its Negative | Easy | 7.2% | TopicsArrayHash TableTwo PointersSorting |
