accumulate.cpp

来自「C++ sample code, for the book: C++ blac」· C++ 代码 · 共 22 行

#include <algorithm>
#include <numeric>
#include <iostream>
using namespace std;

const int NUMBER_ELEMENTS = 4;

int main ()
 {
    int numbers[NUMBER_ELEMENTS] = {1, 2, 3, 4};
    
    int result = accumulate(numbers, numbers + NUMBER_ELEMENTS, 0);

    cout << "Adding the values gives: " << result << endl;

    result = accumulate(numbers, numbers + NUMBER_ELEMENTS, 1, multiplies<int>());

    cout << "Multiplying the values gives: " << result << endl;

    return 0;
}