Name

count function template — Counts the occurrences of a value

Synopsis

template<typename InIter, typename T>
  typename iterator_traits<InIter>::difference_type
    count(InIter first, InIter last, const T& value);

The count function template returns the number of elements in the range [first, last) that are equal to value.

Technical Notes

Complexity is linear: exactly last - first comparisons are performed.

See Also

count_if function template, equal_range function template

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