Cod sursa(job #1202169)

Utilizator vasile_pojogaPojoga Vasile vasile_pojoga Data 27 iunie 2014 10:03:09
Problema Generare de permutari Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.53 kb
#include <fstream>

using namespace std;

ifstream fin("permutari.in");
ofstream fout("permutari.out");

int n,x[8];
bool u[9];

void back(int k);
void printSolution();

int main()
{
	fin>>n;
	back(0);
	return 0;
}

void back(int k)
{
	if(k == n)
	{
		printSolution();
	}
	else
	{
		for(int i=1;i<=n;i++)
		{
			if(!u[i])
			{
				u[i] = true;
				x[k] = i;
				back(k+1);
				u[i] = false;
			}
		}
	}
}


void printSolution()
{
	for(int i=0;i<n;i++)
	{
		fout<<x[i]<<' ';
	}
	fout<<'\n';
}