vector.cpp

来自「C++ sample code, for the book: C++ blac」· C++ 代码 · 共 25 行

#include <iostream>
#include <vector>
using namespace std;

const int NUMBER_STUDENTS = 4;

int main()
{
    vector<double> scores(NUMBER_STUDENTS);
    double running_sum = 0;

    scores[0] = 89.0;
    scores[1] = 29.0;
    scores[2] = 59.0;
    scores[3] = 79.0;

    for (unsigned int loop_index = 0; loop_index < scores.size(); loop_index++)
    {
        running_sum += scores[loop_index];
    }

    cout << "The average student score is: " << running_sum / scores.size() << endl;

    return 0;
}