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Citadel Hard Interview Questions

5 hard-level practice questions for Citadel technical interviews

coding Hard Verified Question #1

1. Visit All Cities


Category: Graph coding problem
# Visit All Cities You are given a list of airline tickets where each ticket represents a directed edge from a departure airport to an arrival...
Input: Graph (nodes and edges)
Output: Computed result
coding Hard Verified Question #2

2. Subsequence Goodness Values


Category: Array coding problem
# Subsequence Goodness Values
Input: Array
Output: Integer
coding Hard Verified Question #3

3. Pandigital Addition Count


Category: Algorithm coding problem
# Pandigital Addition Count
Input: Integer(s)
Output: Computed result
coding Hard Verified Question #4

4. Flight Itinerary Planner


Category: Graph coding problem
# Flight Itinerary Planner
Input: Graph (nodes and edges)
Output: Computed result
coding Hard Verified Question #5

5. Process Schedule Counter


Category: Algorithm coding problem
# Process Schedule Counter
Input: List
Output: Integer

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