Interview Prep/Companies/BlackRock

BlackRock

17 questions tracked14 with solutions

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

Showing 17 of 17 questions

EasyHappy Number✓ Our Solution

100

Hash TableMathTwo Pointers

LeetCode ↗58% acc.

EasyValid Parentheses✓ Our Solution

StringStack

LeetCode ↗42% acc.

MediumEvaluate Division✓ Our Solution

ArrayStringDepth-First SearchBreadth-First Search+3

LeetCode ↗63% acc.

HardFind the Maximum Sum of Node Values✓ Our Solution

ArrayDynamic ProgrammingGreedyBit Manipulation+2

LeetCode ↗70% acc.

MediumPairs of Songs With Total Durations Divisible by 60✓ Our Solution

ArrayHash TableCounting

LeetCode ↗53% acc.

MediumMaximum Subtree of the Same Color

ArrayDynamic ProgrammingTreeDepth-First Search

LeetCode ↗57% acc.

MediumGroup Anagrams✓ Our Solution

ArrayHash TableStringSorting

LeetCode ↗71% acc.

EasyBest Time to Buy and Sell Stock✓ Our Solution

ArrayDynamic Programming

LeetCode ↗55% acc.

MediumPath with Maximum Probability✓ Our Solution

ArrayGraphHeap (Priority Queue)Shortest Path

LeetCode ↗65% acc.

MediumMaximum Profit From Trading Stocks

ArrayDynamic Programming

LeetCode ↗47% acc.

MediumNumber of Islands✓ Our Solution

ArrayDepth-First SearchBreadth-First SearchUnion Find+1

LeetCode ↗62% acc.

EasyValid Anagram✓ Our Solution

Hash TableStringSorting

LeetCode ↗67% acc.

MediumCoin Change✓ Our Solution

ArrayDynamic ProgrammingBreadth-First Search

LeetCode ↗46% acc.

MediumGenerate Parentheses✓ Our Solution

StringDynamic ProgrammingBacktracking

LeetCode ↗77% acc.

MediumMaximize Greatness of an Array✓ Our Solution

ArrayTwo PointersGreedySorting

LeetCode ↗59% acc.

MediumBoundary of Binary Tree

TreeDepth-First SearchBinary Tree

LeetCode ↗47% acc.

MediumLongest Palindromic Substring✓ Our Solution

Two PointersStringDynamic Programming

LeetCode ↗36% acc.