count() “vs“ count_if()

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count() “vs“ count_if()

STL_count() vs count_if()

count_if function template

count（）“ vs“ count_if（）

count() "vs" count_if()

STL_count() vs count_if()

Я сказал использовать count(*) для подсчета количества строк, и интервьюер попросил меня вернуться и дождаться новостей...

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