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- #include <iostream>
- #include <fstream>
- using namespace std;
- ifstream fin("aranjamente.in");
- ofstream fout("aranjamente.out");
- int x[20],n,c;
- void Afisare(int k)
- {
- for(int i=1;i<=c;i++)
- fout<<x[i]<<" ";
- fout<<'\n';
- }
- int Valid(int k)
- {
- for(int i=1;i<k;i++)
- if(x[i]==x[k])return 0;
- return 1;
- }
- int Solutie(int k)
- {
- if(k==c)return 1;
- return 0;
- }
- void Back(int k)
- {
- for(int i=1;i<=n;i++)
- {
- x[k]=i;
- if(Valid(k))
- if(Solutie(k))
- Afisare(k);
- else
- Back(k+1);
- }
- }
- int main()
- {
- fin>>n>>c;
- Back(1);
- }
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