第十五周项目：程序填空

/*  *Copyright(c)2016.烟台大学计算机学院  *All right reserved.  *文件名称：test.cpp  *作者：黄金婵  *完成日期：2016年6月21日  *版本号：v1.0  *  *问题描述：阅读程序  *程序输入：  *程序输出：  */ #include <iostream>#include <vector>#include <algorithm>#include <functional>using namespace std;void Show(double);int main(){    double arr1[5] = {2, 4, 8, 10, 16};    double arr2[5] = {1, 3, 5, 7, 9};    cout.setf(ios_base::fixed);    cout.precision(1);    cout << "arr1:\t";    for_each(arr1, arr1 + 5, Show);                             cout << endl;    cout << "arr2: \t";    for_each(arr2, arr2 + 5, Show);                             cout << endl;    vector<double> sum(5);                             transform(arr1, arr1 + 5, arr2, sum.begin(),plus<double>());       cout << "sum:\t";    for_each(sum.begin(), sum.end(), Show);                            cout << endl;    vector<double> prod(5);                            transform(arr1, arr1 + 5, prod.begin(),              bind1st(multiplies<double>(), 2.5));                    cout << "prod:\t";    for_each(prod.begin(), prod.end(), Show);                            cout << endl;    return 0;}void Show(double v){    cout.width(6);    cout << v << ' ';}