set_intersection (1) template<classInputIt1,classInputIt2,classOutputIt>OutputIt set_intersection(InputIt1 first1, InputIt1 last1, InputIt2 first2, InputIt2 last2, OutputIt d_first){while(first1!=last1&&first2!=last2){if(*first1<*first2)++first1;else{if(!(*first2<*first1))*d...
set_intersection( I1 first1, S1 last1, I2 first2, S2 last2, O result, Comp comp = {}, Proj1 proj1 = {}, Proj2 proj2 = {} ); (1) (since C++20) template< ranges::input_range R1, ranges::input_range R2, std::weakly_incrementable O, class Comp = ranges::less, class ...
vector<int>v2{5,7,9,10};std::sort(v1.begin(),v1.end());std::sort(v2.begin(),v2.end());std::vector<int>v_intersection;std::set_intersection(v1.begin(),v1.end(),v2.begin(),v2.end(),std::back_inserter(v_intersection));for(int n:v_intersection)std::cout<<n<<' ';...
交集(http://zh.cppreference.com/w/cpp/algorithm/set_intersection) 差集(http://zh.cppreference.com/w/cpp/algorithm/set_difference) inserter(http://zh.cppreference.com/w/cpp/iterator/inserter) back_inserter(http://zh.cppreference.com/w/cpp/iterator/back_inserter) #include <bits/stdc++.h>us...
交集( http://zh.cppreference.com/w/cpp/algorithm/set_intersection) 差集( http://zh.cppreference.com/w/cpp/algorithm/set_difference) inserter(http://zh.cppreference.com/w/cpp/iterator/inserter) back_inserter(http://zh.cppreference.com/w/cpp/iterator/back_inserter) ...
OutputIt set_intersection( InputIt1 first1, InputIt1 last1, InputIt2 first2, InputIt2 last2, OutputIt d_first ); (C++20 前) template< class InputIt1, class InputIt2, class OutputIt > constexpr OutputIt set_intersection( InputIt1 first1, InputIt1 last1, InputIt2 first2, InputIt...
// alg_set_intersection.cpp // compile with: /EHsc #include <vector> #include <algorithm> #include <functional> // For greater<int>( ) #include <iostream> // Return whether modulus of elem1 is less than modulus of elem2 bool mod_lesser (int elem1, int elem2 ) { if ( elem1 <...
顾名思义是“集合”的意思,在set中元素都是唯一的,而且默认情况下会对元素自动进行升序排列,支持集合的交(set_intersection),差(set_difference) 并(set_union),对称差(set_symmetric_difference) 等一些集合上的操作,如果需要集合中的元素允许重复那么可 math 2018/06/22 9120 C++编程笔记合集 intsetstring...
ranges::set_intersection (C++20) computes the intersection of two sets (niebloid) ranges::set_symmetric_difference (C++20) computes the symmetric difference between two sets (niebloid) ranges::includes (C++20) returnstrueif one sequence is a subsequence of another ...
class Solution {public: vector<int> intersection(vector<int>& nums1, vector<int>& nums2) { //将两个num set<int> s1(nums1.begin(),nums1.end()); set<int> s2(nums2.begin(),nums2.end()); //定义一个数组 vector<int> ret; //利用双指针法(迭代器) auto it_one = s1.begin(); ...