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Cod sursa(job #775063)
#include<fstream>
#include<vector>
using namespace std;
#define NMAX 10
ifstream f("permutari.in");
ofstream g("permutari.out");
int a[NMAX],viz[NMAX];
int n;
void afis()
{
for(int i=1;i<=n;i++)g<<a[i]<<' ';
g<<'\n';
}
void permut(int k)
{
if(k<=n){
for(int i=1;i<=n;i++)
if(viz[i]==0)
{
viz[i]=1;
a[k]=i;
permut(k+1);
viz[i]=0;
}}
else
afis();
}
int main()
{
int i;
f>>n;
permut(1);
return 0;
}