OKX

3 questions tracked3 with solutions

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Frequency scoreSorted highest → lowest frequency✓ Our Solution = we have a detailed walkthrough

Showing 3 of 3 questions

MediumNumber of Islands✓ Our Solution

100

ArrayDepth-First SearchBreadth-First SearchUnion Find+1

MediumKth Smallest Element in a Sorted Matrix✓ Our Solution

ArrayBinary SearchSortingHeap (Priority Queue)+1

HardCount Subarrays With Fixed Bounds✓ Our Solution

ArrayQueueSliding WindowMonotonic Queue