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ServiceNow

67 problems · 44 with a MIK video · 1 asked in the last 6 months

D · DSA 44

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TopicPatternDifficultyStatusSortLast 6 monthsOnly with MIK video

67 problems, most frequent first

DoneLC #ProblemLevelHow often askedMIK video

146LRU CacheDesign Data StructuresMedium100▶ Watch

3Longest Substring Without Repeating Characters ↗Medium97Not covered yet

2318Number of Distinct Roll Sequences ↗Hard92Not covered yet

3106Lexicographically Smallest String After Operations With Constraint ↗Medium92Not covered yet

3203Find Minimum Diameter After Merging Two TreesGraphsHard92▶ Watch

3953Maximum Score with Co-Prime Element ↗Hard92Not covered yet

42Trapping Rain WaterArraysHard88▶ Watch

22Generate ParenthesesRecursionMedium84▶ Watch

200Number of IslandsArraysMedium84▶ Watch

443String CompressionStringsMedium84▶ Watch

41First Missing PositiveArraysHard79▶ Watch

11Container With Most WaterArraysMedium73▶ Watch

20Valid ParenthesesStackEasy73▶ Watch

239Sliding Window MaximumSliding WindowHard73▶ Watch

424Longest Repeating Character Replacement ↗Medium73Not covered yet

122Best Time to Buy and Sell Stock II ↗Medium73Not covered yet

1Two SumArraysEasy65▶ Watch

5Longest Palindromic SubstringDynamic ProgrammingMedium65▶ Watch

53Maximum Subarray ↗Medium65Not covered yet

215Kth Largest Element in an ArrayHeap / Priority QueueMedium65▶ Watch

283Move Zeroes ↗Easy65Not covered yet

1944Number of Visible People in a Queue ↗Hard65Not covered yet

735Asteroid CollisionStackMedium65▶ Watch

186Reverse Words in a String II ↗LeetCode PremiumMedium65Not covered yet

322Coin Change ↗Medium65Not covered yet

73Set Matrix ZeroesArraysMedium65▶ Watch

1963Minimum Number of Swaps to Make the String BalancedStackMedium65▶ Watch

45Jump Game II ↗Medium65Not covered yet

460LFU CacheDesign Data StructuresHard65▶ Watch

2116Check if a Parentheses String Can Be ValidStackMedium65▶ Watch

21Merge Two Sorted Lists ↗Easy65Not covered yet

4Median of Two Sorted ArraysBinary SearchHard55▶ Watch

56Merge Intervals ↗Medium55Not covered yet

179Largest NumberArraysMedium55▶ Watch

206Reverse Linked ListLinked ListEasy55▶ Watch

739Daily TemperaturesStackMedium55▶ Watch

994Rotting OrangesGraphsMedium55▶ Watch

50Pow(x, n)MathMedium55▶ Watch

2385Amount of Time for Binary Tree to Be InfectedTreesMedium55▶ Watch

1611Minimum One Bit Operations to Make Integers ZeroBit ManipulationHard55▶ Watch

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