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- // problema 1
- #include <fstream>
- using namespace std;
- ifstream f("date.in");
- ofstream g("date.out");
- int v[6],p;
- bool valid(int p)
- {
- for(int i=1;i<p;i++)
- {
- if(v[i]==v[i+1])
- return false;
- if((v[i]==1 && v[i+1]==3) || (v[i]==3 && v[i+1]==1) || (v[i]==4 && v[i+1]==5) || (v[i]==5 && v[i+1]==4))
- return false;
- if(v[i]==v[p])
- return false;
- }
- return true;
- }
- bool solutie(int p)
- {
- if(p==5)
- return true;
- return false;
- }
- void afisare()
- {
- for(int i=1;i<=5;i++)
- {
- if(v[i]==1)
- g<<"alb ";
- if(v[i]==2)
- g<<"rosu ";
- if(v[i]==3)
- g<<"galbe ";
- if(v[i]==4)
- g<<"verde ";
- if(v[i]==5)
- g<<"albastru ";
- }
- g<<'\n';
- }
- void bk(int p)
- {
- for(int i=1;i<=5;i++)
- {
- v[p]=i;
- if(valid(p))
- if(solutie(p))
- afisare();
- else
- bk(p+1);
- }
- }
- int main()
- {
- bk(1);
- }
- //problema 2
- #include <fstream>
- using namespace std;
- ifstream f("date.in");
- ofstream g("date.out");
- int n,m,p,k,v[100],fv[100];
- void citire()
- {
- f>>m>>n>>p;
- }
- void afisare(int k)
- {
- for(int i=1;i<=k;i++)
- g<<v[i]<<" ";
- g<<'\n';
- }
- bool valid(int k)
- {
- for(int i=1;i<=k;i++)
- if(v[i]>p)
- return false;
- return true;
- }
- bool solutie(int k)
- {
- int suma=0;
- for(int i=1;i<=k;i++)
- suma+=v[i];
- if(suma==m && k<=n)
- return true;
- return false;
- }
- void bk(int k)
- {
- for(int i=1;i<=m;i++)
- {
- v[k]=i;
- if(valid(k))
- if(solutie(k))
- afisare(k);
- else
- {
- if(k>n)
- return;
- bk(k+1);
- }
- }
- }
- int main()
- {
- citire();
- bk(1);
- return 0;
- }
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