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- //din fis. "date.in" se citeste n natural.afisati in "date.out" toate nr mai mici ca nsi prime cu el.
- //2) din fisier se citesc n nr intregi .pt fiecare nr scrieti daca se poate toate var de suma a doua nr impare si afisati in alt fisier.
- #include <fstream>
- using namespace std;
- ifstream f("date.in");
- ofstream g("date.out");
- int main()
- {
- int n,i,nn,k;
- f>>n;
- for(i=1;i<=n-1;i++)
- {
- nn=n;
- k=i;
- while (nn != k)
- {
- if (nn >k)
- {
- nn = nn - k;
- }
- else
- {
- k =k - nn;
- }
- }
- if(nn==1)
- g<<i<<" ";
- }
- return 0;}
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