#include
#include
#include
#include
#include
#include
#include
#include
int main() {
const std::vector v1 = {1,2,3,4,5};
std::cout << "combinations({1,2,3,4,5}, 3}:\n";
for (auto&& ns : iter::combinations(v1,3)) {
std::cout << "{ ";
for (auto&& j : ns ) {
std::cout << j << ' ';
}
std::cout << "}\n";
}
// allows elements to be used repeatedly
std::cout << "combinations_with_replacement({1, 2}, 4):\n";
std::vector v2 = {1,2};
for (auto&& ns : iter::combinations_with_replacement(v2, 4)) {
std::cout << "{ ";
for (auto&& j : ns ) {
std::cout << j << ' ';
}
std::cout << "}\n";
}
std::cout << "permutations(\"abc\"):\n";
std::string s{"abc"};
for (auto&& cs : iter::permutations(s)) {
std::cout << "{ ";
for (auto&& c : cs ) {
std::cout << c << ' ';
}
std::cout << "}\n";
}
std::vector<:string> v3 = {"abc", "def"};
std::cout << "product of three vectors (int, int, string):\n";
for (auto&& t : iter::product(v1,v2,v3)) {
std::cout << "{ "
<< std::get<0>(t) << ' '
<< std::get<1>(t) << ' '
<< std::get<2>(t) << " }\n";
}
std::cout << "powerset({1,2,3,4,5}):\n";
for (auto&& ns : iter::powerset(v1)) {
std::cout << "{ ";
for (auto&& i : ns ) {
std::cout << i << ' ';
}
std::cout << "}\n";
}
}