multiplication Interview Questions
The most frequently asked multiplication questions across all roles and companies, ranked by real interview frequency. Updated daily.
Multiply two positive integers recursively using binary doubling and halving, without multiplication or division operators.
ThalesMultiply arbitrarily large signed integers represented as strings using digit arrays without converting them to native integers.
NuroMultiply two signed integers using bit shifts and addition without the multiplication operator.
MicrosoftMultiply two signed integers using repeated doubling and addition without the asterisk operator.
VISEORepresent sparse matrices with coordinate maps and implement efficient addition and multiplication.
Tudor InvestmentCompute the product of two signed integers using binary decomposition, shifts, and addition without multiplication.
Fast EnterprisesTests ability to adapt problem-solving patterns to a new constraint.
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Compute 18 times 15 mentally and show a clean arithmetic shortcut.
Cobblestone EnergyCompare normalized character signatures to determine whether each pair of strings is an anagram.
AdobeCalculate the sum of integers from 1 to 1,000,000 using PostgreSQL aggregation and filtering.
Virtu FinancialCount each case-sensitive character in an FIS PayDirect message using PostgreSQL string functions, a CTE, a join, and aggregation.
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