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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. #define ll long long
  4. #define eps 1e-9
  5. long double b[50005], h[50005], w[50005], d[50005];
  6. bool possible(ll n, long double wl, long double mid)
  7. {
  8. 	long double volume=0;
  9. 	for(ll i=0;i<n;i++)
  10. 	{
  11. 		if(b[i]<mid)
  12. 		{
  13. 			volume+=(min(mid-b[i], h[i])*d[i]*w[i]);
  14. 		}
  15. 	}
  16. 	if(volume+eps<wl)
  17. 	return true;
  18. 	return false;
  19. }
  20. int main()
  21. {
  22. 	ll t;
  23. 	cin>>t;
  24. 	while(t--)
  25. 	{
  26. 		ll n;
  27. 		cin>>n;
  28. 		for(ll i=0;i<n;i++)
  29. 		{
  30. 			cin>>b[i]>>h[i]>>w[i]>>d[i];
  31. 		}
  32. 		long double wl;
  33. 		cin>>wl;
  34. 		long double start=1, end=(4*(1e6)), ans=4*(1e6);
  35. 		while(fabs(start-end)>eps)
  36. 		{
  37.  
  38. 			long double mid=(start+end)/2;
  39. 			if(possible(n, wl, mid))
  40. 			{
  41. 				ans=mid;
  42. 				start=mid;
  43. 			}
  44. 			else
  45. 			{
  46. 				end=mid;
  47. 			}
  48. 		}
  49. 		if(start>3*(1e6))
  50. 		cout<<"OVERFLOW"<<endl;
  51. 		else
  52. 		printf("%0.2lF \n", start);
  53. 	}
  54. }
Time limit exceeded #stdin #stdout 5s 4280KB
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https://ideone.com/yVDJ1t
problem CISTFILL, based on SPOJ submission 25710601 (CPP14), 2020-04-06 16:53:14
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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