12-10-03.cpp

more efftive 代码

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

int main()
{
  const int N = 10;
  int A[N];
  
  fill(A, A+N, 1);
  cout << "A:                 ";
  copy(A, A+N, ostream_iterator<int>(cout, " "));
  cout << endl;
  
  cout << "Partial sums of A: ";
  partial_sum(A, A+N, ostream_iterator<int>(cout, " "));
  cout << endl;
}