Cod sursa(job #404533)

Utilizator cioboata.iCioboata Ioan Liviu cioboata.i Data 26 februarie 2010 11:57:07
Problema Generare de permutari Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.58 kb
#include<stdio.h>
int n,sol[10];
bool marcat[9];
void afisare()
{
	int i;
	for(i=1;i<=n;i++)
		printf("%d ",sol[i]);
	printf("\n");
}
int valid(int p)
{
	int i;
	for(i=1;i<=p-1;i++)
		if(sol[i]==sol[p]) return 0;
	return 1;
}
void bkt(int p)
{
	int i;
	if(p==n+1)
	{
		afisare();
		return ;
	}
	for(i=1;i<=n;i++)
	{
		if(marcat[i])
			continue;
		sol[p]=i;
		marcat[i]=true;
		if(valid(p)==1) bkt(p+1);
		marcat[i]=false;
	}
}

int main()
{
	freopen("permutari.in","r",stdin);
	freopen("permutari.out","w",stdout);
	scanf("%d",&n);
	bkt(1);
	return 0;
}