Question 1

Group Anagrams — Nielsen Interview Question

Accepted Answer

"Group Anagrams" is a medium difficulty problem asked at Nielsen interviews. It covers the following topics: Array, Hash Table, String, Sorting. You can practice it on LeetCode: https://leetcode.com/problems/group-anagrams

Question 2

Longest Palindromic Substring — Nielsen Interview Question

Accepted Answer

"Longest Palindromic Substring" is a medium difficulty problem asked at Nielsen interviews. It covers the following topics: Two Pointers, String, Dynamic Programming. You can practice it on LeetCode: https://leetcode.com/problems/longest-palindromic-substring

Question 3

Merge Intervals — Nielsen Interview Question

Accepted Answer

"Merge Intervals" is a medium difficulty problem asked at Nielsen interviews. It covers the following topics: Array, Sorting. You can practice it on LeetCode: https://leetcode.com/problems/merge-intervals

Question 4

Edit Distance — Nielsen Interview Question

Accepted Answer

"Edit Distance" is a medium difficulty problem asked at Nielsen interviews. It covers the following topics: String, Dynamic Programming. You can practice it on LeetCode: https://leetcode.com/problems/edit-distance

Question 5

Best Time to Buy and Sell Stock IV — Nielsen Interview Question

Accepted Answer

"Best Time to Buy and Sell Stock IV" is a hard difficulty problem asked at Nielsen interviews. It covers the following topics: Array, Dynamic Programming. You can practice it on LeetCode: https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iv

Question 6

Two Sum — Nielsen Interview Question

Accepted Answer

"Two Sum" is a easy difficulty problem asked at Nielsen interviews. It covers the following topics: Array, Hash Table. You can practice it on LeetCode: https://leetcode.com/problems/two-sum

#	Question Title	Difficulty	Frequency	Topics
1	Group Anagrams	MEDIUM	100.0	ArrayHash TableString+1
2	Longest Palindromic Substring	MEDIUM	100.0	Two PointersStringDynamic Programming
3	Merge Intervals	MEDIUM	88.7	ArraySorting
4	Edit Distance	MEDIUM	88.7	StringDynamic Programming
5	Best Time to Buy and Sell Stock IV	HARD	88.7	ArrayDynamic Programming
6	Two Sum	EASY	88.7	ArrayHash Table

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