W3School TIY Editor

#include <iostream> #include <vector> #include <algorithm> using namespace std; int main() { vector<int> numbers = {1, 7, 3, 5, 9, 2}; vector<int> search = { 2, 3, 9 }; auto it = find_first_of(numbers.begin(), numbers.end(), search.begin(), search.end()); if (it != numbers.end()) { cout << "找到数字 " << *it << "！"; } else { cout << "未找到任何匹配值。"; } return 0; }