Adobe

The 35 Adobe interview problems asked most — recent (last six months) first, then all-time frequency — grouped by pattern.

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Arrays & Hashing

Group Anagrams↻Medium
Two Sum↻Easy
Majority Element↻Easy

Two Pointers

3Sum↻Medium

Sliding Window

Best Time to Buy and Sell Stock↻Easy
Longest Substring Without Repeating Characters↻Medium

Binary Search

Median of Two Sorted Arrays↻Hard

Linked List

Trees

Binary Tree Maximum Path Sum↻Hard

Heap / Priority Queue

Kth Largest Element In a Stream↻Easy

Graphs

Number of Islands↻Medium

1-D DP

Climbing Stairs↻Easy

Greedy

Gas Station↻Medium

Intervals

Merge Intervals↻Medium

Strings

Largest Number↻Medium