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Farjana_akter

Untitled

Feb 8th, 2019
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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. long long int a[600000],b[600000];
  4. int main()
  5. {
  6. long long int i,j,k,n;
  7. while(scanf("%lld",&n)==1&&n)
  8. {
  9. for(i=0;i<n;i++)
  10. {
  11. cin>>a[i]>>b[i];
  12. }
  13. sort(a,a+n);
  14. sort(b,b+n);
  15. int flag =0;
  16. for(i=0;i<n;i++)
  17. {
  18. if(a[i]!=b[i])
  19. {
  20. flag=1;
  21. break;
  22. }
  23. }
  24. if(flag==0)
  25. cout<<"YES"<<endl;
  26. else
  27. cout<<"NO"<<endl;
  28. }
  29. return 0;
  30. }
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