Citi Coding & Algorithms Interview Questions
Master your tech interview with our curated database of real questions from top companies.
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Citi
Medium
Software EngineerExplain data structure fundamentals
Explain how a hash map works internally: hashing, collision resolution strategies (separate chaining vs. open addressing), load factor, and resizing. ...
Coding & Algorithms
0
0
Sep 6, 2025
Citi
Medium
Software EngineerImplement bidirectional Dijkstra for shortest paths
Given a directed or undirected graph with non‑negative edge weights, design and implement bidirectional Dijkstra (“double Dijkstra”) to find the short...
Coding & Algorithms
0
0
Sep 6, 2025