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- #include <iostream>
- using namespace std;
- int n,st[10];
- void afisare_solutie()
- {for(int j=1;j<=n;j++)
- cout<<st[j]<<" ";
- cout<<endl;}
- bool valid(int k)
- { for(int j =1;j<k;j++)
- if(st[j]==st[k]) return false;
- return true; }
- void perm(int k)
- {
- for( int i = 1; i<=n; i++)
- {
- st[k]=i;
- if( valid(k) == true )
- { if( k==n ) afisare_solutie();
- else perm(k+1); }
- }
- }
- int main()
- {
- cout<<"n=";
- cin>>n;
- perm(1);
- }
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