Cod sursa(job #1140064)
Utilizator | Radu Vlad Alexandru vladradu2014 | Data | 11 martie 2014 18:22:47 |
---|---|---|---|
Problema | Generare de permutari | Scor | 0 |
Compilator | c | Status | done |
Runda | Arhiva educationala | Marime | 0.58 kb |
#include <stdlib.h>
#include <stdio.h>
int n,st[100];
void afisare()
{
for(int i=1;i<=n;i++)
printf("%d ",st[i])
printf("\n");
}
int valid(int k)
{
for(int i=1;i<k;i++)
if(st[k]==st[i])
return 0;
return 1;
}
void back(int k)
{
int i;
if(k>n)
afisare();
else
for(i=1;i<=n;i++)
{
st[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;
}