Yandex
120 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| Allow One Function Call | Easy | 36% | Topics— |
| Maximum Average Subarray I | Easy | 36% | TopicsArraySliding Window |
| Evaluate Reverse Polish Notation | Medium | 36% | TopicsArrayMathStack |
| 9. Palindrome Number | Easy | 36% | TopicsMath |
| 98. Validate Binary Search Tree | Medium | 28.4% | TopicsTreeDepth-First SearchBinary Search TreeBinary Tree |
| 235. Lowest Common Ancestor of a Binary Search Tree | Medium | 28.4% | TopicsTreeDepth-First SearchBinary Search TreeBinary TreeBinary LiftingLowest Common Ancestor |
| 350. Intersection of Two Arrays II | Easy | 28.4% | TopicsArrayHash TableTwo PointersBinary SearchSorting |
| 523. Continuous Subarray Sum | Medium | 28.4% | TopicsArrayHash TableMathPrefix SumPigeonhole Principle |
| 4Sum | Medium | 28.4% | TopicsArrayTwo PointersSorting |
| 322. Coin Change | Medium | 28.4% | TopicsArrayDynamic ProgrammingBreadth-First SearchKnapsack ProblemComplete Knapsack |
| 2570. Merge Two 2D Arrays by Summing Values | Easy | 28.4% | TopicsArrayHash TableTwo Pointers |
| Implement Rand10() Using Rand7() | Medium | 28.4% | TopicsMathRejection SamplingRandomizedProbability and Statistics |
| 1656. Design an Ordered Stream | Easy | 28.4% | TopicsArrayHash TableDesignData Stream |
| 739. Daily Temperatures | Medium | 28.4% | TopicsArrayStackMonotonic Stack |
| 295. Find Median from Data Stream | Hard | 28.4% | TopicsTwo PointersDesignSortingHeap (Priority Queue)Data Stream |
| Add Strings | Easy | 28.4% | TopicsMathStringSimulation |
| 24. Swap Nodes in Pairs | Medium | 28.4% | TopicsLinked ListRecursion |
| 141. Linked List Cycle | Easy | 28.4% | TopicsHash TableLinked ListTwo PointersFloyd's Cycle Finding Algorithm |
| Create Hello World Function | Easy | 28.4% | Topics— |
| Sliding Window Maximum | Hard | 28.4% | TopicsArrayQueueSliding WindowHeap (Priority Queue)Monotonic QueueRange Minimum/Maximum Query |
| Counter II | Easy | 28.4% | Topics— |
| 35. Search Insert Position | Easy | 28.4% | TopicsArrayBinary Search |
| 1496. Path Crossing | Easy | 28.4% | TopicsHash TableString |
| 994. Rotting Oranges | Medium | 28.4% | TopicsArrayBreadth-First SearchMatrix |
| Employees Earning More Than Their Managers | Easy | 28.4% | TopicsDatabase |
