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gabrielcabezas

Untitled

Mar 22nd, 2018
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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. vector <int> v;
  4. int main()
  5. {
  6. long long soma=1 ;
  7. int n,t,a,ok=0;
  8. scanf("%d %d",&n,&t);
  9. v.push_back(1);
  10. for (int i=0;i<n-1;i++)
  11. {
  12. scanf("%d",&a);
  13. v.push_back(a);
  14. }
  15. v.push_back(1);
  16. for (int i=0;i<v.size();i++)
  17. {
  18. soma=soma+v[soma];
  19. printf("%lld ",soma);
  20. if (soma==t)
  21. {
  22. ok=1;
  23. break;
  24. }
  25. }
  26. if (ok==1)
  27. printf("YES\n");
  28. else
  29. printf("NO\n");
  30. }
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