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Which one is always faster in writing on C++?

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+1 vote
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in C++ by (98.8k points)
Which one is always faster in writing on C++?

(a) Writing to a file

(b) Writing to memory

(c) Reading from the network

(d) Deleting a file

I got this question during an interview.

The doubt is from Buffering in section Strings, Streams & Numerics in C++ of C++

1 Answer

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Best answer
Correct choice is (b) Writing to memory

The explanation is: For the stand of file operations, writing to memory (RAM) is always faster than writing to the file on the disk directly.

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