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C++ Algorithm replace_copy()C++ Algorithm replace_copy() function is used to make a copy of the range [first, last) and replaces all old_value by the value new_value into it. It uses operator= to make the copy and to compare the elements it uses operator==. This function examines each element in a source range and replaces it if it matches a specified value while copying the result into a new destination range. Syntaxtemplate <class InputIterator, class OutputIterator, class T> OutputIterator replace_copy (InputIterator first, InputIterator last, OutputIterator result, const T& old_value, const T& new_value); Parameterfirst: An input iterator pointing to the initial position in the range from which elements are being replaced. last: A input iterator pointing to the final position in the range from which elements are being replaced. result: An output iterator pointing to the first element of the range where the resulting sequence is stored. old_value: The old value of the element being replaced. new_value: The new value assigned to the elements with the old value. Return valuereplace_copy() function returns an output iterator pointing to the position that points to the last element written in the result sequence. |