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oskar_skutnik

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Nov 27th, 2019
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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. long long n,ilem=1;
  6.  
  7. int main()
  8. {
  9. cin >> n;
  10. long long t[n];
  11. cin>>t[0]>>t[1];
  12. for(int i=2;i<n;i++)
  13. {
  14. cin >>t[i];
  15. if((t[i-2]>=t[i-1])&&(t[i-1]<t[i]) || (t[i-2]<=t[i-1])&&(t[i-1]>t[i]) )
  16. ilem++;
  17. }
  18. cout<<ilem;
  19. return 0;
  20. }
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