Cod sursa(job #162071)

Utilizator AndreyPAndrei Poenaru AndreyP Data 19 martie 2008 13:04:30
Problema Generare de permutari Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.62 kb
#include<stdio.h>
int n,sol[10];
void scrie()
{
	for(int i=1; i<n; i++)
		printf("%d ",sol[i]);
	printf("%d\n",sol[n]);
}
/*
int valid(int k)
{
	for(int i=1;i<k; i++)
		if(sol[i]==sol[k])
			return 0;
	return 1;
}*/
bool marcat[10];
void back(int k)
{
	if(k==n+1)
	{
		scrie();
		return;
	}
	for(int i=1; i<=n; i++)
	{
		//sol[k]=i;
		//if(valid(k))
			//back(k+1);
		if(!marcat[i])
		{
			marcat[i]=true;
			sol[k]=i;
			back(k+1);
			marcat[i]=false;
		}
	}
}
int main()
{
	freopen("permutari.in","r",stdin);
	freopen("permutari.out","w",stdout);
	scanf("%d",&n);
	back(1);
	return 0;
}