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  1. #include<bits/stdc++.h>
  2. #define f1(i, n) for(ll i=1;i<=n;++i)
  3. #define f0(i, n) for(ll i=0;i<n;++i)
  4. #define ull unsigned long long
  5. #define ll long long
  6. #define rev(a) reverse(a.begin(),a.end())
  7. #define all(x) x.begin(),x.end()
  8. #define so(A, n) sort(A+1, A+n+1)
  9. using namespace std;
  10. const int maxn = 200010;
  11. const int N = 1e5 + 1;
  12. pair<double, pair<double, double>> A[N], B[N];
  13. int main()
  14. {
  15. 	ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
  16. 	int n;
  17. 	cin >> n;
  18. 	f1(i, n) {
  19. 		cin >> A[i].second.first >> A[i].second.second;
  20. 		if (A[i].second.first == 0 || A[i].second.second == 0) {
  21. 			A[i].first = max(abs(A[i].second.first), abs(A[i].second.second));
  22. 		}
  23. 		else{
  24. 			A[i].first = sqrt(A[i].second.first * A[i].second.first + A[i].second.second * A[i].second.second);
  25. 		}
  26. 	}
  27. 	f1(i, n) {
  28. 		cin >> B[i].second.first >> B[i].second.second;
  29. 		if (B[i].second.first == 0 || B[i].second.second == 0) {
  30. 			B[i].first = max(abs(B[i].second.first), abs(B[i].second.second));
  31. 		}
  32. 		else{
  33. 			B[i].first = sqrt(B[i].second.first * B[i].second.first + B[i].second.second * B[i].second.second);
  34. 		}
  35. 	}
  36. 	sort(B + 1, B + n + 1);
  37. 	sort(A + 1, A + n + 1);
  38. 	// f1(i, n) {
  39. 	// 	cout << A[i].first << " " << A[i].second.first << " " << A[i].second.second;
  40. 	// 	cout<<endl;
  41. 	// }
  42. 	// f1(i, n) {
  43. 	// 	cout << B[i].first << " " << B[i].second.first << " " << B[i].second.second;
  44. 	// 	cout<<endl;
  45. 	// }
  46. 	f1(i, n) {
  47. 		int it = upper_bound(B + 1, B + n + 1, make_pair(A[i].first, make_pair((double)LLONG_MAX, (double)LLONG_MAX))) - B - 1;
  48. 		if(it == i){
  49. 			cout<<fixed<<setprecision(6)<<A[i].first;
  50. 			return 0;
  51. 		}
  52. 	}
  53.  
  54. 	return 0;
  55. }
  56.  
Success #stdin #stdout 0.01s 5288KB
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https://ideone.com/eS94KF
language:
C++14 (gcc 8.3)
created:
3 days ago
visibility:
public

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