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- int valid (int k)
- {
- for(int i=1;i<k;i++)
- if(s[i]==s[k])
- return 0;
- return 1;
- }
- int solutie(int k)
- {
- return k==n;
- }
- void afisare(int k)
- {
- for(int i=1;i<=k;i++)
- cout<s[i]<<" ";
- cout<<endl;
- }
- void back(int k)
- {
- for(int val=1;val<=n;v++)
- {
- s[k]=val;
- if(valid(k))
- if(solutie(k))
- afisare(k);
- else
- back(k+1);
- }
- }
- int main()
- {
- cin>>n;
- back(1);
- }
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