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Tekion

20 questions tracked19 with solutions
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Frequency scoreSorted highest β†’ lowest frequencyβœ“ Our Solution = we have a detailed walkthrough

Showing 20 of 20 questions

1
HardCount the Number of Infection Sequencesβœ“ Our Solution
100
ArrayMathCombinatorics
2
HardTrapping Rain Waterβœ“ Our Solution
78
ArrayTwo PointersDynamic ProgrammingStack+1
3
MediumMost Stones Removed with Same Row or Columnβœ“ Our Solution
71
Hash TableDepth-First SearchUnion FindGraph
4
MediumMaximum Subarrayβœ“ Our Solution
71
ArrayDivide and ConquerDynamic Programming
5
71
ArrayHash Table
6
HardSplit Array Largest Sumβœ“ Our Solution
71
ArrayBinary SearchDynamic ProgrammingGreedy+1
7
EasyCousins in Binary Treeβœ“ Our Solution
62
TreeDepth-First SearchBreadth-First SearchBinary Tree
8
MediumMeeting Rooms II
62
ArrayTwo PointersGreedySorting+2
9
HardWord Ladderβœ“ Our Solution
62
Hash TableStringBreadth-First Search
10
MediumProduct of the Last K Numbersβœ“ Our Solution
62
ArrayMathDesignData Stream+1
11
MediumFind First and Last Position of Element in Sorted Arrayβœ“ Our Solution
62
ArrayBinary Search
12
HardBest Time to Buy and Sell Stock IIIβœ“ Our Solution
62
ArrayDynamic Programming
13
MediumWays to Split Array Into Three Subarraysβœ“ Our Solution
62
ArrayTwo PointersBinary SearchPrefix Sum
14
MediumFind Peak Elementβœ“ Our Solution
62
ArrayBinary Search
15
MediumJump Gameβœ“ Our Solution
62
ArrayDynamic ProgrammingGreedy
16
EasyIs Subsequenceβœ“ Our Solution
62
Two PointersStringDynamic Programming
17
MediumSpiral Matrixβœ“ Our Solution
62
ArrayMatrixSimulation
18
MediumProduct of Array Except Selfβœ“ Our Solution
62
ArrayPrefix Sum
19
EasyBest Time to Buy and Sell Stockβœ“ Our Solution
62
ArrayDynamic Programming
20
MediumValid Parenthesis Stringβœ“ Our Solution
62
StringDynamic ProgrammingStackGreedy