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#include<iostream>
#include<stdio.h>
#include<conio.h>
int a[50],n;
using namespace std;
void tipareste()
{
int i;
for(i=1;i<=n;i++) printf("%d",a[i]);
putchar('\n');
}
int valid(int k)
{
int i;
for(i=1;i<k;i++)
if(a[i]==a[k]) return(0);
return 1;
}
void permutari(int i)
{
int j;
for(j=1;j<=n;j++) { a[i]=j; if(valid(i)==1) if(i==n) tipareste(); else permutari(i+1); }
}
int main()
{
printf("dati nr: ");
scanf("%d",&n);
permutari(1);
return 0;
}