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Citi LeetCode Questions 2026

Browse LeetCode problems frequently asked by Citi. Filter by difficulty and timeframe to focus your interview prep.

Last updated: 20 Feb 2026

Timeframe

Difficulty

Problem	Difficulty	Frequency	Topics
Best Time to Buy and Sell Stock	EASY	87.5%	ArrayDynamic Programming
Two Sum	EASY	100%	ArrayHash Table
Evaluate Reverse Polish Notation	MEDIUM	87.5%	ArrayMathStack

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