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- #include <iostream>
- using namespace std;
- int v[101], n;
- void afisare(int k)
- {
- for(int i=1; i<=k; i++)
- cout<<v[i]<<" ";
- cout<<endl;
- }
- bool ebun(int k)
- {
- for(int i=1; i<=k-1; i++)
- if(v[i]==v[k])
- return 0;
- return 1;
- }
- void back()
- {
- int k=1;
- v[k]=0;
- while(k>0)
- if(v[k]<n)
- {
- v[k]++;
- if(ebun(k))
- if(k==n)
- afisare(k);
- else
- {
- k++;
- v[k]=0;
- }
- }
- else
- k--;
- }
- int main()
- {
- cin>>n;
- back();
- return 0;
- }
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