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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3.  
  4. long find(long a[],long i)
  5. {
  6. 	if(a[i]!=i)
  7. 		return i=a[i];
  8. 	return i;
  9. }
  10.  
  11. int main()
  12. {
  13. 	long n,q;
  14. 	cin>>n>>q;
  15. 	long a[n];
  16. 	for(long i=0;i<n;i++) a[i]=i;
  17.  
  18. 	while(q--)
  19. 	{
  20. 		int t;
  21. 		long u,v;
  22. 		cin>>t>>u>>v;
  23. 		u--;
  24. 		v--;
  25. 		if(t==1)
  26. 		{
  27. 			long pu=find(a,u);
  28. 			long pv=find(a,v);
  29. 			if(pu!=pv)
  30. 			{
  31. 				a[pv]=pu;
  32. 			}
  33. 		}
  34. 		else
  35. 		{
  36. 			long pu=find(a,u);
  37. 			long pv=find(a,v);
  38. 			// cout<<pu<<" "<<pv<<"\n";
  39. 			if(pu==pv)
  40. 				cout<<"Yes\n";
  41. 			else
  42. 				cout<<"No\n";
  43. 		}
  44. 	}
  45. 	return 0;
  46. }
Success #stdin #stdout 0s 4480KB
comments (?)
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3 6
2 1 2
1 1 2
2 1 2
2 1 3
1 2 3
2 1 3
stdout
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No
Yes
No
Yes
https://ideone.com/VIy79B
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
public

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