Cod sursa(job #1587920)
Utilizator | Andrei Gasparovici andreigasparovici | Data | 2 februarie 2016 17:43:54 |
---|---|---|---|
Problema | Generare de permutari | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.59 kb |
#include <cstdio>
int st[100],n;
int valid(int k)
{
for(int i=1;i<k;i++)
if(st[i]==st[k])
return 0;
return 1;
}
void afis(int k)
{
for(int i=1;i<=k;i++)
printf("%d ",st[i]);
printf("\n");
}
void perm(int k)
{
for(int i=1;i<=n;i++)
{
st[k]=i;
if(valid(k))
{
if(k==n)
afis(k);
else
perm(k+1);
}
}
}
int main()
{
freopen("permutari.in","r",stdin);
freopen("permutari.out","w",stdout);
scanf("%d",&n);
perm(1);
fclose(stdout);
return 0;
}