#include
#include
#include
#include
#include
using namespace std;
bool above40(int n) { return (n > 4); }
int main()
{
const int N = 7;
int array0[N] = {5, 3, 1, 7, 6, 4, 2};
int array1[N];
copy(&array0[0], &array0[N], &array1[0]);
ostream_iterator out(cout, " ");
cout << "Original sequence: ";
copy(&array1[0], &array1[N], out); cout << endl;
// Partition array1, putting numbers greater than 4
// first, followed by those less than or equal to 4,
// preserving relative order in each group:
int* split = stable_partition(&array1[0], &array1[N], above40);
cout << "Result of stable partitioning: ";
copy(&array1[0], split, out); cout << "| ";
copy(split, &array1[N], out); cout << endl;
return 0;
}
Original sequence: 5 3 1 7 6 4 2
Result of stable partitioning: 5 7 6 | 3 1 4 2