Implementing Parallel std::count_if() and std::copy_if()
Learn how to implement the std::count_if() function and parallelize the std::copy_if() operation.
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Implementation of std::count_if()
A nice thing about divide and conquer is that it can be applied to many problems. We can easily use the same technique to implement a parallel version of std::count_if(), with the difference being that we need to accumulate the returned value, like this:
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