编辑“︁C++ 循环”︁（章节）

== 实际应用案例 ==

'''案例：数据分析中的移动平均计算'''
<syntaxhighlight lang="cpp">
#include <iostream>
#include <vector>
using namespace std;

vector<double> movingAverage(const vector<double>& data, int window) {
    vector<double> result;
    for (size_t i = 0; i <= data.size() - window; i++) {
        double sum = 0;
        for (int j = 0; j < window; j++) {
            sum += data[i + j];
        }
        result.push_back(sum / window);
    }
    return result;
}

int main() {
    vector<double> stockPrices = {45.3, 46.2, 47.8, 48.1, 47.5, 46.9};
    auto averages = movingAverage(stockPrices, 3);
    for (double avg : averages) {
        cout << avg << " ";
    }
    return 0;
}
</syntaxhighlight>

'''输出：'''
<pre>46.4333 47.3667 47.8 47.5 </pre>