Grab

13 questions tracked13 with solutions

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

Showing 13 of 13 questions

MediumMinimum Cost For Tickets✓ Our Solution

100

ArrayDynamic Programming

MediumAdding Two Negabinary Numbers✓ Our Solution

100

ArrayMath

MediumMinimum Number of Food Buckets to Feed the Hamsters✓ Our Solution

100

StringDynamic ProgrammingGreedy

MediumReconstruct a 2-Row Binary Matrix✓ Our Solution

100

ArrayGreedyMatrix

ArrayHash Table

MediumLongest Substring Without Repeating Characters✓ Our Solution

Hash TableStringSliding Window

MediumLongest Palindromic Substring✓ Our Solution

Two PointersStringDynamic Programming

Hash TableLinked ListDesignDoubly-Linked List

MediumSearch a 2D Matrix✓ Our Solution

ArrayBinary SearchMatrix

EasyValid Parentheses✓ Our Solution

StringStack

MediumSimplify Path✓ Our Solution

StringStack

MediumDaily Temperatures✓ Our Solution

ArrayStackMonotonic Stack

MediumNumber of Steps to Reduce a Number in Binary Representation to One✓ Our Solution

StringBit ManipulationSimulation