Cod sursa(job #301874)
Utilizator | Space Monkey stefynr8 | Data | 8 aprilie 2009 15:01:41 |
---|---|---|---|
Problema | Generare de permutari | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.52 kb |
#include<stdio.h>
int st[9],n;
int valid(int k,int st[])
{
int i;
for(i=1;i<k;i++)
if(st[k]==st[i]) return 0;
return 1;
}
void afis(int k)
{
int i;
for(i=1;i<=k;i++)
printf("%d ", st[i]);
printf("\n");
}
void back(int k)
{
int x;
for(x=1;x<=n;x=x+1)
{
st[k]=x;
if(valid(k,st))
if(k==n) afis(k);
else back(k+1);
}
}
int main()
{
freopen("permutari.in","r",stdin);
freopen("permutari.out","w",stdout);
scanf("%d",&n);
back(1);
return 0;
}