W3School TIY Editor

#include <iostream> #include <vector> #include <algorithm> using namespace std; void add_one(int &value) { value++; // 数值加 1 } int main() { vector<int> numbers = {1, 7, 3, 5, 9, 2}; // 每个数值加 1 for_each(numbers.begin(), numbers.end(), add_one); // 输出修改后的数值 for (int number : numbers) { cout << number << " "; } return 0; }