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BlackRock

Interview Questions

17 Questions Found
#Question TitleDifficultyFrequencyTopicsLink
1Happy NumberEASY100.0
Hash TableMathTwo Pointers
2Valid ParenthesesEASY94.0
StringStack
3Evaluate DivisionMEDIUM82.3
ArrayStringDepth-First Search+4
4Find the Maximum Sum of Node ValuesHARD73.2
ArrayDynamic ProgrammingGreedy+3
5Pairs of Songs With Total Durations Divisible by 60MEDIUM71.4
ArrayHash TableCounting
6Maximum Subtree of the Same ColorMEDIUM71.4
ArrayDynamic ProgrammingTree+1
7Group AnagramsMEDIUM58.6
ArrayHash TableString+1
8Best Time to Buy and Sell StockEASY58.6
ArrayDynamic Programming
9Path with Maximum ProbabilityMEDIUM49.2
ArrayGraphHeap (Priority Queue)+1
10Maximum Profit From Trading StocksMEDIUM49.2
ArrayDynamic Programming

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BlackRock Interview Questions

Preparing for a BlackRock interview? This page contains a curated collection of 17 coding and technical interview questions asked at BlackRock, sourced from real candidate experiences on LeetCode and other platforms.

The questions span a wide range of topics including Hash Table, Math, Two Pointers, String, Stack, Array — all areas BlackRock interviewers are known to focus on. Each question is tagged by difficulty (Easy, Medium, Hard) and topic so you can prioritize your preparation effectively.

Whether you're a fresher or an experienced engineer targeting BlackRock, practicing these problems will help you understand the patterns and problem-solving approaches expected in their hiring process. Start with Easy questions to build confidence, then tackle Medium and Hard problems to sharpen your skills.

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