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Cod sursa(job #469149)
#include<fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int verificare(int a[], int n)
{ int i,j,ok=1;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
if(i!=j&&a[i]==a[j]) { ok=0; break; break; }
return ok;
}
void afisare(int a[], int n)
{ int i;
for(i=1;i<=n;i++)
fout<<a[i]<<' ';
fout<<'\n';
}
int main()
{ int p[11],n,j;
fin>>n;
p[0]=0;
for(j=1;j<=n;j++) p[j]=1;
while(!p[0])
{ p[n]++;
j=n;
while(p[j]>n)
{ p[j]=1;
p[j-1]++;
j--;
}
if(verificare(p,n)) afisare(p,n);
}
return 0;
}