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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int n,k;
  6. 	int a[100000];
  7. 	int b[100000];
  8. 	cin>>n>>k;
  9. 	for (int i=0; i<n; i++)
  10. 	cin>>a[i];
  11. 	for (int i=0; i<k; i++)
  12. 	cin>>b[i];
  13. 	int L,R,c;
  14. 	for (int i=0; i<k; i++)
  15. 	{
  16. 	L=0;
  17. 	R=n;
  18. 	while (L<R-1)
  19. 	{
  20. 		c=(L+R)/2;
  21. 		if (b[i]<a[c])
  22. 		R=c;
  23. 		else
  24. 		L=c;
  25. 	}
  26. 	if (b[i]==a[L])
  27. 	cout<<"YES"<<endl;
  28. 	else
  29. 	cout<<"NO"<<endl;
  30. 	}
  31. 	return 0;
  32. }
Success #stdin #stdout 0s 4128KB
comments (?)
stdin
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5 6
1 2 4 5 8
-8 -7 6 78 1 2
stdout
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NO
NO
NO
NO
YES
YES
https://ideone.com/cRHbMF
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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