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Citi DSA Interview Questions

6 curated coding interview questions directly asked in Citi technical rounds, sorted by frequency with recency and difficulty diagnostics.

6 Total Questions
2 (33%) Easy Problems
3 (50%) Medium Problems
1 (17%) Hard Problems
🔥 Most Tested Topics:
Arrays (3)Core DSA (2)Stack / Queue (1)
📂 Sourced Datasets:
Last 6 monthsAll questionsOlder than 6 months
Showing 6 of 6 displayed
IDProblemDifficultyTopicPatternAcceptanceFrequencyRecency
150Evaluate Reverse Polish NotationMediumCore DSAImplementation / Reasoning57.8%100.0%6m
1Two SumEasyArraysSorting / Prefix / Scan; Two Pointers57.5%100.0%6m
121Best Time to Buy and Sell StockEasyCore DSAImplementation / Reasoning56.8%75.0%all
48Rotate ImageMediumArraysSorting / Prefix / Scan80.1%75.0%all
209Minimum Size Subarray SumMediumArraysSorting / Prefix / Scan51.7%75.0%all
1944Number of Visible People in a QueueHardStack / QueueMonotonic Stack / Simulation73.1%75.0%all