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- 666666666666666666666666666666
- #include <iostream>
- using namespace std;
- int x[100], n, nrsol=0;
- void Afisare()
- {
- int i;
- for( i=1; i<=n; i++)
- cout<<x[i]<<" ";
- cout<<endl;
- nrsol++;
- if(nrsol%23==0)
- cin.get();
- }
- int Valid(int k)
- {
- int i;
- for(i=1;i<=k-1;i++)
- if(x[k]==x[i])
- return 0;
- return 1;
- }
- void BackRec(int k)
- {
- int i;
- for(i=1;i<=n;i++)
- {
- x[k]=i;
- if(Valid(k))
- if(k==n)
- Afisare();
- else BackRec(k+1);
- }
- }
- int main()
- {
- cout<<"Valoarea lui n este egala cu: ";
- cin>>n;
- cout<<endl;
- BackRec(1);
- cout<<"Numarul de solutii a acestor permutari este: "<<nrsol;
- return 0;
- }
- 77777777777777777777777777777777777
- #include <iostream>
- using namespace std;
- int x[100], n, nrsol=0;
- void Afisare()
- {
- int i;
- for( i=1; i<=n; i++)
- cout<<x[i]<<" ";
- cout<<endl;
- nrsol++;
- if(nrsol%23==0)
- cin.get();
- }
- int Valid(int k)
- {
- int i;
- for(i=1;i<=k-1;i++)
- if(x[k]==x[i])
- return 0;
- return 1;
- }
- void BackRec(int k)
- {
- int i;
- for(i=1;i<=n;i++)
- {
- x[k]=i;
- if(Valid(k))
- if(k==n)
- Afisare();
- else BackRec(k+1);
- }
- }
- int main()
- {
- cout<<"Valoarea lui n este egala cu: ";
- cin>>n;
- cout<<endl;
- BackRec(1);
- cout<<"Numarul de solutii a acestor permutari este: "<<nrsol;
- return 0;
- }
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