\( \newcommand{\E}{\mathrm{E}} \) \( \newcommand{\A}{\mathrm{A}} \) \( \newcommand{\R}{\mathrm{R}} \) \( \newcommand{\N}{\mathrm{N}} \) \( \newcommand{\Q}{\mathrm{Q}} \) \( \newcommand{\Z}{\mathrm{Z}} \) \( \def\ccSum #1#2#3{ \sum_{#1}^{#2}{#3} } \def\ccProd #1#2#3{ \sum_{#1}^{#2}{#3} }\)
CGAL 4.13.2 - Geometric Object Generators
Generator/combination_enumerator.cpp
#include "CGAL/Combination_enumerator.h"
#include <iostream>
using namespace std;
int main()
{
unsigned int n(0);
const int k(3), first(10), last(15);
cout << "Taking " << k << " distinct integers in the range [" <<
first << ", " << last << "]:";
CGAL::Combination_enumerator<int> combi(k, first, last + 1);
while( ! combi.finished() ) {
cout << " {";
for(int i = 0; i < k; ++i) {
cout << combi[i];
if( i < k - 1 )
cout << ' ';
}
cout << '}';
++n;
++combi;
}
cout << endl << "Enumerated " << n << " combinations." << endl;
return EXIT_SUCCESS;
}