Question 1

Merge Intervals — Grammarly Interview Question

Accepted Answer

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

Question 2

Remove All Adjacent Duplicates In String — Grammarly Interview Question

Accepted Answer

"Remove All Adjacent Duplicates In String" is a easy difficulty problem asked at Grammarly interviews. It covers the following topics: String, Stack. You can practice it on LeetCode: https://leetcode.com/problems/remove-all-adjacent-duplicates-in-string

Question 3

Remove All Adjacent Duplicates in String II — Grammarly Interview Question

Accepted Answer

"Remove All Adjacent Duplicates in String II" is a medium difficulty problem asked at Grammarly interviews. It covers the following topics: String, Stack. You can practice it on LeetCode: https://leetcode.com/problems/remove-all-adjacent-duplicates-in-string-ii

Question 4

Insert Delete GetRandom O(1) — Grammarly Interview Question

Accepted Answer

"Insert Delete GetRandom O(1)" is a medium difficulty problem asked at Grammarly interviews. It covers the following topics: Array, Hash Table, Math, Design, Randomized. You can practice it on LeetCode: https://leetcode.com/problems/insert-delete-getrandom-o1

Question 5

Generate Parentheses — Grammarly Interview Question

Accepted Answer

"Generate Parentheses" is a medium difficulty problem asked at Grammarly interviews. It covers the following topics: String, Dynamic Programming, Backtracking. You can practice it on LeetCode: https://leetcode.com/problems/generate-parentheses

Question 6

Repeated DNA Sequences — Grammarly Interview Question

Accepted Answer

"Repeated DNA Sequences" is a medium difficulty problem asked at Grammarly interviews. It covers the following topics: Hash Table, String, Bit Manipulation, Sliding Window, Rolling Hash, Hash Function. You can practice it on LeetCode: https://leetcode.com/problems/repeated-dna-sequences

#	Question Title	Difficulty	Frequency	Topics
1	Merge Intervals	MEDIUM	100.0	ArraySorting
2	Remove All Adjacent Duplicates In String	EASY	93.2	StringStack
3	Remove All Adjacent Duplicates in String II	MEDIUM	88.0	StringStack
4	Insert Delete GetRandom O(1)	MEDIUM	84.8	ArrayHash TableMath+2
5	Generate Parentheses	MEDIUM	81.1	StringDynamic ProgrammingBacktracking
6	Repeated DNA Sequences	MEDIUM	78.9	Hash TableStringBit Manipulation+3
7	Vowel Spellchecker	MEDIUM	78.9	ArrayHash TableString
8	Search in Rotated Sorted Array	MEDIUM	78.9	ArrayBinary Search
9	Perfect Number	EASY	76.5	Math
10	Climbing Stairs	EASY	70.5	MathDynamic ProgrammingMemoization

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