Goldman Sachs

The 30 Goldman Sachs 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

Two Pointers

Sliding Window

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

Stack

Daily Temperatures↻Medium

Binary Search

Linked List

LRU Cache↻Medium

Trees

Binary Tree Maximum Path Sum↻Hard

Graphs

Number of Islands↻Medium

1-D DP

Longest Palindromic Substring↻Medium

2-D DP

Unique Paths↻Medium

Intervals

Merge Intervals↻Medium