Nielsen Interview Questions — 6 DSA Problems

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

Most frequently asked Nielsen LeetCode questions for software engineering interviews.

Group Anagrams (MEDIUM) — Array, Hash Table, String, Sorting
Longest Palindromic Substring (MEDIUM) — Two Pointers, String, Dynamic Programming
Merge Intervals (MEDIUM) — Array, Sorting
Edit Distance (MEDIUM) — String, Dynamic Programming
Best Time to Buy and Sell Stock IV (HARD) — Array, Dynamic Programming
Two Sum (EASY) — Array, Hash Table

Interview Prep/Companies/Nielsen

N

Nielsen

6 questions tracked6 with solutions

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

Showing 6 of 6 questions

1

MediumGroup Anagrams✓ Our Solution

100

ArrayHash TableStringSorting

LeetCode ↗71% acc.

2

MediumLongest Palindromic Substring✓ Our Solution

100

Two PointersStringDynamic Programming

LeetCode ↗36% acc.

3

MediumMerge Intervals✓ Our Solution

89

ArraySorting

LeetCode ↗49% acc.

4

MediumEdit Distance✓ Our Solution

89

StringDynamic Programming

LeetCode ↗59% acc.

5

HardBest Time to Buy and Sell Stock IV✓ Our Solution

89

ArrayDynamic Programming

LeetCode ↗47% acc.

6

EasyTwo Sum✓ Our Solution

89

ArrayHash Table

LeetCode ↗56% acc.