#include
#include
#include
#include
using namespace std;
int main()
{
const int N = 20;
int x1[N], x2[N];
for (int i = 0; i < N; ++i)
x1[i] = i;
// Compute the partial sums of 0, 1, 2, 3, ..., N - 1, putting the result inx2:
partial_sum(&x1[0], &x1[N], &x2[0]);
// Compute the adjacent differences of elements in x2, placing the result back in x2:
adjacent_difference(&x2[0], &x2[N], &x2[0]);
for (int i = 0; i < N; ++i)
cout << x2[i] << " ";
return 0;
}
/*
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
*/