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7 kwi 2024 · OutputIt set_difference (InputIt1 first1, InputIt1 last1, InputIt2 first2, InputIt2 last2, OutputIt d_first );
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first, last - the range of elements to examine policy - the...
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Complexity. Exactly std:: distance (first, last) invocations...
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The difference() method returns a set that contains the difference between two sets. Meaning: The returned set contains items that exist only in the first set, and not in both sets. As a shortcut, you can use the - operator instead, see example below.
Learn how to use std:: set_difference function template to construct a sorted range of the set difference of two sorted ranges. See the syntax, parameters, examples, complexity, exceptions and related functions.
12 lip 2024 · std::set_difference in C++. Last Updated : 12 Jul, 2024. The difference of two sets is formed by the elements that are present in the first set, but not in the second one. The elements copied by the function come always from the first range, in the same order.
std:: set_difference. C++. Algorithm library. Copies the elements from the sorted range [first1, last1) which are not found in the sorted range [first2, last2) to the range beginning at d_first. The output range is also sorted.
Use std::set_difference found in <algorithm>: #include <algorithm>. #include <set>. #include <iterator>. // ... std::set<int> s1, s2; // Fill in s1 and s2 with values. std::set<int> result; std::set_difference(s1.begin(), s1.end(), s2.begin(), s2.end(),
24 wrz 2023 · Copies the elements from the sorted input range [first1,last1) which are not found in the sorted input range [first2,last2) to the output range beginning at result. The behavior is undefined if. the input ranges are not sorted with respect to comp and proj1 or proj2, respectively, or.
