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What is the use of accumulate function in a numeric library?

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What is the use of accumulate function in a numeric library?

(a) Returns the number

(b) Returns the result of accumulating all the values in the range

(c) Returns the number & result

(d) Return the characters

This question was addressed to me in semester exam.

This intriguing question comes from Generalized Numeric Algorithms topic in division Strings, Streams & Numerics in C++ of C++

1 Answer

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Best answer
The correct choice is (b) Returns the result of accumulating all the values in the range

Explanation: Returns the result of accumulating all the values in the range from first to last.

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