c++ - Convert a hexadecimal value into a binary value -


this question has answer here:

i have program needs take hexadecimal value of 2 digits (up ff) , convert each digit separate 4-digit binary value (up 1111). i'm able write algorithm me, before that, there easy way built-in functions in c++?

there's similar question answered here:

convert strings between hex format , binary format

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