coding
Medium
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#1
1. Service Log Aggregator
Category: Trie-based coding problemA distributed system emits log entries from multiple services and worker threads. Each log entry is a colon-separated string in the format...Input: Array
Output: Computed result
coding
Medium
Verified Question
#2
2. Arithmetic Expression Tree
Category: Binary tree coding problemYou are given a mathematical expression encoded as a binary tree in JSON format. Evaluate the expression and return its integer result. Each node in...Input: Binary tree
Output: Computed result
coding
Medium
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#3
3. Team Standup Scheduler
Category: Algorithm coding problem# Question A remote-work platform needs to schedule weekly standups for distributed teams. Each team member provides a list of dates (formatted as...Input: List
Output: Array
coding
Medium
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#4
4. [CodeSignal] Contact Role Capacity Validator
Category: String coding problemA platform tracks permission assignments between departments, employees, and their access levels. Each assignment is represented by three strings:...Input: List
Output: Array
coding
Medium
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#5
5. [CodeSignal] Country Meeting Date Finder
Category: Algorithm coding problemA global organization is scheduling regional check-ins for its distributed teams. Each team member belongs to a region and provides a list of...Input: List
Output: Array
coding
Medium
Verified Question
#6
6. [CodeSignal] Customer Peak Call Tracker
Category: String coding problemA billing platform tracks user sessions for resource usage metering. Each session record contains: - userId: an integer identifying the user. -...Input: List
Output: Computed result
coding
Medium
Verified Question
#7
7. Expression Tree Calculator
Category: Tree coding problemGiven a mathematical formula represented as a JSON object, compute its result. The formula is encoded as a recursive expression tree with two node...Input: Integer(s)
Output: Computed result
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