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Cod sursa(job #550241)
#include<cstdio>
const int N=8;
short n, sol[N];
bool marcat[N];
void prelucrare()
{
for(int i=1;i<=n;i++)
printf("%hd ", sol[i]);
printf("\n");
}
void bkt(int p)
{
if(p-1==n)
{
prelucrare();
return;
}
for(int i=1;i<=n;i++)
{
if(!marcat[i])
{
sol[p]=i;
marcat[i]=true;
bkt(p+1);
marcat[i]=false;
}
}
}
int main()
{
freopen("permutari.in", "r", stdin);
freopen("permutari.out", "w", stdout);
scanf("%hd", &n);
bkt(1);
return 0;
}