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.
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