Next Permutation

Documentation : http://www.cplusplus.com/reference/algorithm/next_permutation/
More : http://wordaligned.org/articles/next-permutation

Example :

	#include <iostream>
	#include <algorithm>
	using namespace std;
	int main(){
	int n;
	cin>>n;
	int * A = new int[n];
	for (int i = 0; i < n; i++) A[i] = i + 1;
	do {
	for (int i = 0; i < n; i++) cout<<A[i]<<" ";
	cout<<"\n";
	} while (next_permutation(A, A + n)) ;
	return 0;
	}

view raw next_perm.cpp hosted with ❤ by GitHub