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alexon5519

17-3

Oct 29th, 2017
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  1. #include<iostream.h>
  2. int interval (int n , int v[100]){
  3. int p,u,i,s=0;
  4. if(v[1]>v[n]){
  5. p=v[n]; //p-capatul cel mai mic din interval
  6. u=v[1];} //u-capatul cel mai mare din interval
  7. else
  8. if(v[1]<v[n]){
  9. p=v[1];
  10. u=v[n];}
  11. else
  12. return 2;
  13. for(i=1;i<=n;i++){
  14. if(p<=v[i] && v[i]<=u)
  15. s++;
  16. return s;}
  17. int main ()
  18. {int n,i,v[100],x;
  19. cin>>n;
  20. for(i=1;i<=n;i++)
  21. cin>>v[i];
  22. x=interval(n,v);
  23. if(x==n)
  24. cout<<"DA";
  25. else
  26. cout<<"NU";}
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