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Cod sursa(job #447604)
#include <fstream>
using namespace std;
int lib[9],a[9],n;
ifstream fi("permutari.in");
ofstream fo("permutari.out");
void afisare(void)
{
int i;
for(i=1;i<=n;i++)
fo<<a[i]<<" ";
fo<<"\n";
}
void perm(int l)
{
int i;
if(l==n+1) afisare(); else
for(i=1;i<=n;i++)
if(lib[i]){
a[l]=i;
lib[i]=0;
perm(l+1);
lib[i]=1;
}
}
int main()
{
int i;
fi>>n;
for(i=1;i<=n;i++)
lib[i]=1;
perm(1);
fo.close();
return 0;
}