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7 questions tracked7 with solutions
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Frequency scoreSorted highest β†’ lowest frequencyβœ“ Our Solution = we have a detailed walkthrough

Showing 7 of 7 questions

1
MediumValidate Binary Search Treeβœ“ Our Solution
100
TreeDepth-First SearchBinary Search TreeBinary Tree
2
HardText Justificationβœ“ Our Solution
92
ArrayStringSimulation
3
MediumKth Largest Element in an Arrayβœ“ Our Solution
71
ArrayDivide and ConquerSortingHeap (Priority Queue)+1
4
EasyAdd Binaryβœ“ Our Solution
71
MathStringBit ManipulationSimulation
5
MediumSpiral Matrixβœ“ Our Solution
71
ArrayMatrixSimulation
6
HardBlock Placement Queriesβœ“ Our Solution
71
ArrayBinary SearchBinary Indexed TreeSegment Tree
7
MediumNumber of Black Blocksβœ“ Our Solution
71
ArrayHash TableEnumeration