Optiver Interview Questions — 3 DSA Problems

3 problems with full solutions in Python, Java, C++, JavaScript, Go, Rust.

Most frequently asked Optiver LeetCode questions for software engineering interviews.

Number of Days Between Two Dates (EASY) — Math, String
LRU Cache (MEDIUM) — Hash Table, Linked List, Design, Doubly-Linked List
Best Time to Buy and Sell Stock (EASY) — Array, Dynamic Programming

Interview Prep/Companies/Optiver

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Optiver

3 questions tracked3 with solutions

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Frequency scoreSorted highest → lowest frequency✓ Our Solution = we have a detailed walkthrough

Showing 3 of 3 questions

1

EasyNumber of Days Between Two Dates✓ Our Solution

100

MathString

LeetCode ↗51% acc.

2

MediumLRU Cache✓ Our Solution

87

Hash TableLinked ListDesignDoubly-Linked List

LeetCode ↗45% acc.

3

EasyBest Time to Buy and Sell Stock✓ Our Solution

87

ArrayDynamic Programming

LeetCode ↗55% acc.