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MongoDB

25 problems · 15 with a MIK video · 4 asked in the last 6 months
D · DSA 15
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25 problems, most frequent first

DoneLC #ProblemLevelHow often askedMIK video
208Implement Trie (Prefix Tree)TriesMedium100▶ Watch
139Word Break ↗Medium97Not covered yet
349Intersection of Two ArraysArraysEasy97▶ Watch
1146Snapshot ArrayDesign Data Structures · Asked in the last 6 monthsMedium97▶ Watch
146LRU CacheDesign Data Structures · Asked in the last 6 monthsMedium90▶ Watch
23Merge k Sorted ListsHeap / Priority QueueHard85▶ Watch
68Text JustificationStringsHard85▶ Watch
1242Web Crawler Multithreaded ↗LeetCode PremiumMedium80Not covered yet
2759Convert JSON String to Object ↗LeetCode PremiumHard80Not covered yet
57Insert IntervalArraysMedium73▶ Watch
2034Stock Price Fluctuation ↗Medium73Not covered yet
239Sliding Window MaximumSliding WindowHard73▶ Watch
210Course Schedule IIGraphsMedium73▶ Watch
56Merge Intervals ↗Asked in the last 6 monthsMedium73Not covered yet
617Merge Two Binary Trees ↗Easy63Not covered yet
33Search in Rotated Sorted ArrayBinary SearchMedium63▶ Watch
642Design Search Autocomplete System ↗LeetCode PremiumHard63Not covered yet
1650Lowest Common Ancestor of a Binary Tree III ↗LeetCode PremiumMedium63Not covered yet
443String CompressionStringsMedium63▶ Watch
140Word Break IIBacktrackingHard63▶ Watch
21Merge Two Sorted Lists ↗Easy63Not covered yet
133Clone GraphGraphsMedium63▶ Watch
981Time Based Key-Value Store ↗Medium63Not covered yet
165Compare Version NumbersStringsMedium63▶ Watch
1Two SumArrays · Asked in the last 6 monthsEasy63▶ Watch

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