Cod sursa(job #263420)

Utilizator drag0s93Mandu Dragos drag0s93 Data 20 februarie 2009 12:52:28
Problema Generare de permutari Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.62 kb
#include<stdio.h>

short int n,sol[9];
char marc[9];
void afisare()
{
	for(int i=1;i<=n;++i)
		printf("%hd ",sol[i]);
	printf("\n");
}
/*
char valid(int k)
{
	for(int i=1;i<k;++i)
		if(sol[i]==sol[k])
			return 0;
	return 1;
}*/
void back(int k)
{
	if(k==n+1)
	{
		afisare();
		return;
	}
	for(int i=1;i<=n;++i)
		if(marc[i]==0)
		{
			marc[i]=1;
			sol[k]=i;
			back(k+1);
			marc[i]=0;
			
		}
		/*
	{
		sol[k]=i;
		if(valid(k))
			back(k+1);
	}*/
}

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