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Backend Developer
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Backend Developer

Random questions

4 questions on Random for backend developers, easiest first.

Easy 1

Random whole number in a rangeeasy

Hard 3

Bias from random byte % 100hard
Shuffling with sort and Math.randomhard
Fisher-Yates with one wrong boundhard

More Backend Developer skills

Arrays and strings 215 Trees and graphs 203 Hash maps and sets 193 Databases and caching 189 Sorting and binary search 145 Dynamic programming 136 System design 135 Stacks, queues and heaps 123 Math and simulation 116 Message queues and async jobs 107 Authentication and authorization 103 API development 100 Resilience and fault tolerance 97 Performance and debugging 77 JavaScript and TypeScript 74 SQL 38 Web application security 36 Sets 29 Python and pandas 26 PostgreSQL and MySQL 25 Kafka and stream processing 24 Transactions and locking 23 Prefix Sums 23 Java 21

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