Yandex
120 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| Simplify Path | Medium | 45.9% | TopicsStringStack |
| 103. Binary Tree Zigzag Level Order Traversal | Medium | 45.9% | TopicsTreeBreadth-First SearchBinary Tree |
| 206. Reverse Linked List | Easy | 45.9% | TopicsLinked ListRecursion |
| Perfect Squares | Medium | 45.9% | TopicsMathDynamic ProgrammingBreadth-First SearchKnapsack ProblemComplete Knapsack |
| Longest Substring with At Most K Distinct Characters | Medium | 45.9% | TopicsHash TableStringSliding Window |
| Design Hit Counter | Medium | 45.9% | TopicsArrayBinary SearchDesignQueueData Stream |
| 424. Longest Repeating Character Replacement | Medium | 45.9% | TopicsHash TableStringSliding Window |
| 1436. Destination City | Easy | 45.9% | TopicsArrayHash TableString |
| 933. Number of Recent Calls | Easy | 45.9% | TopicsDesignQueueData Stream |
| Remove Duplicates from Sorted Array | Easy | 45.9% | TopicsArrayTwo Pointers |
| 121. Best Time to Buy and Sell Stock | Easy | 41.5% | TopicsArrayDynamic Programming |
| 349. Intersection of Two Arrays | Easy | 41.5% | TopicsArrayHash TableTwo PointersBinary SearchSorting |
| Max Consecutive Ones | Easy | 41.5% | TopicsArray |
| Product of Two Run-Length Encoded Arrays | Medium | 41.5% | TopicsArrayTwo Pointers |
| Basic Calculator II | Medium | 41.5% | TopicsMathStringStack |
| 19. Remove Nth Node From End of List | Medium | 41.5% | TopicsLinked ListTwo Pointers |
| 76. Minimum Window Substring | Hard | 36% | TopicsHash TableStringSliding Window |
| Find Minimum in Rotated Sorted Array | Medium | 36% | TopicsArrayBinary Search |
| 300. Longest Increasing Subsequence | Medium | 36% | TopicsArrayBinary SearchDynamic ProgrammingLongest Increasing Subsequence |
| 387. First Unique Character in a String | Easy | 36% | TopicsHash TableStringQueueCounting |
| 605. Can Place Flowers | Easy | 36% | TopicsArrayGreedy |
| Implement Queue using Stacks | Easy | 36% | TopicsStackDesignQueue |
| 102. Binary Tree Level Order Traversal | Medium | 36% | TopicsTreeBreadth-First SearchBinary Tree |
| Lowest Common Ancestor of a Binary Tree III | Medium | 36% | TopicsHash TableTwo PointersTreeBinary TreeBinary LiftingLowest Common Ancestor |
| 1572. Matrix Diagonal Sum | Easy | 36% | TopicsArrayMatrix |
