W3School TIY Editor

#include <iostream> #include <vector> #include <algorithm> using namespace std; int main() { vector<int> numbers = {1, 7, 3, 5, 9, 2}; auto it = max_element(numbers.begin(), numbers.end()); if (it != numbers.end()) { cout << *it << " 是最大值"; } else { cout << "向量为空"; } return 0; }