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josh technology

36 problems · 23 with a MIK video · 4 asked in the last 6 months

D · DSA 23

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36 problems, most frequent first

DoneLC #ProblemLevelHow often askedMIK video

179Largest NumberArrays · Asked in the last 6 monthsMedium100▶ Watch

2074Reverse Nodes in Even Length Groups ↗Asked in the last 6 monthsMedium79Not covered yet

2130Maximum Twin Sum of a Linked ListLinked ListMedium76▶ Watch

283Move Zeroes ↗Easy72Not covered yet

2415Reverse Odd Levels of Binary TreeTreesMedium72▶ Watch

54Spiral MatrixArraysMedium72▶ Watch

513Find Bottom Left Tree ValueTreesMedium67▶ Watch

1448Count Good Nodes in Binary Tree ↗Asked in the last 6 monthsMedium67Not covered yet

1325Delete Leaves With a Given ValueTreesMedium67▶ Watch

2824Count Pairs Whose Sum is Less than Target ↗Easy60Not covered yet

25Reverse Nodes in k-Group ↗Hard60Not covered yet

402Remove K DigitsStackMedium60▶ Watch

739Daily TemperaturesStackMedium60▶ Watch

1026Maximum Difference Between Node and AncestorTreesMedium60▶ Watch

875Koko Eating BananasBinary SearchMedium60▶ Watch

49Group AnagramsArraysMedium60▶ Watch

617Merge Two Binary Trees ↗Easy60Not covered yet

1315Sum of Nodes with Even-Valued Grandparent ↗Medium60Not covered yet

21Merge Two Sorted Lists ↗Easy60Not covered yet

328Odd Even Linked ListLinked ListMedium60▶ Watch

463Island PerimeterArraysEasy60▶ Watch

61Rotate ListLinked ListMedium60▶ Watch

2134Minimum Swaps to Group All 1's Together IISliding WindowMedium52▶ Watch

114Flatten Binary Tree to Linked List ↗Medium52Not covered yet

19Remove Nth Node From End of ListLinked ListMedium52▶ Watch

226Invert Binary Tree ↗Easy52Not covered yet

132Palindrome Partitioning IIDynamic ProgrammingHard52▶ Watch

33Search in Rotated Sorted ArrayBinary SearchMedium52▶ Watch

515Find Largest Value in Each Tree RowTreesMedium52▶ Watch

560Subarray Sum Equals KArrays · Asked in the last 6 monthsMedium52▶ Watch

102Binary Tree Level Order Traversal ↗Medium52Not covered yet

929Unique Email Addresses ↗Easy52Not covered yet

84Largest Rectangle in Histogram ↗Hard52Not covered yet

70Climbing StairsDynamic ProgrammingEasy52▶ Watch

863All Nodes Distance K in Binary TreeTreesMedium52▶ Watch

962Maximum Width RampTwo PointersMedium52▶ Watch

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