Cod sursa(job #263393)
Utilizator | Jalba Cristian Crystopher | Data | 20 februarie 2009 12:26:35 |
---|---|---|---|
Problema | Generare de permutari | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.91 kb |
#include<stdio.h>
int n,sol[9];
char marc[9];
void afisare()
{
for(int i=1;i<=n;++i)
printf("%d ",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("%d",&n);
back(1);
return 0;
}