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Grammarly

30 problems · 19 with a MIK video · 7 asked in the last 6 months

D · DSA 19

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30 problems, most frequent first

DoneLC #ProblemLevelHow often askedMIK video

56Merge Intervals ↗Medium100Not covered yet

1047Remove All Adjacent Duplicates In StringStack · Asked in the last 6 monthsEasy92▶ Watch

380Insert Delete GetRandom O(1)Design Data StructuresMedium89▶ Watch

966Vowel SpellcheckerHashingMedium89▶ Watch

33Search in Rotated Sorted ArrayBinary SearchMedium89▶ Watch

1209Remove All Adjacent Duplicates in String II ↗Medium88Not covered yet

70Climbing StairsDynamic ProgrammingEasy84▶ Watch

435Non-overlapping Intervals ↗Asked in the last 6 monthsMedium81Not covered yet

187Repeated DNA Sequences ↗Medium81Not covered yet

2054Two Best Non-Overlapping EventsArrays · Asked in the last 6 monthsMedium81▶ Watch

69Sqrt(x) ↗Easy78Not covered yet

22Generate ParenthesesRecursionMedium76▶ Watch

35Search Insert Position ↗Asked in the last 6 monthsEasy76Not covered yet

507Perfect Number ↗Easy73Not covered yet

404Sum of Left LeavesTreesEasy73▶ Watch

359Logger Rate Limiter ↗LeetCode PremiumEasy70Not covered yet

1028Recover a Tree From Preorder TraversalTrees · Asked in the last 6 monthsHard70▶ Watch

79Word SearchBacktracking · Asked in the last 6 monthsMedium66▶ Watch

150Evaluate Reverse Polish NotationStackMedium61▶ Watch

3144Minimum Substring Partition of Equal Character Frequency ↗Asked in the last 6 monthsMedium61Not covered yet

1461Check If a String Contains All Binary Codes of Size KBit ManipulationMedium55▶ Watch

208Implement Trie (Prefix Tree)TriesMedium55▶ Watch

200Number of IslandsArraysMedium46▶ Watch

139Word Break ↗Medium46Not covered yet

140Word Break IIBacktrackingHard46▶ Watch

761Special Binary StringRecursionHard46▶ Watch

2075Decode the Slanted CiphertextStringsMedium46▶ Watch

3035Maximum Palindromes After Operations ↗Medium46Not covered yet

62Unique PathsDynamic ProgrammingMedium46▶ Watch

42Trapping Rain WaterArraysHard46▶ Watch

Source: community data (liquidslr/leetcode-company-wise-problems), updated Aug 16, 2026. Company tags are crowd-reported and may be incomplete.