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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int n;
  5. vector<pair<pair<long double,long double>,pair<long double,long double> > > v;
  6. long double low,high;
  7. long double V;
  8.  
  9. void f(){
  10. 	while(high-low > 1e-8){
  11. 		long double m = (low+high)/2.0;
  12. 		long double volume=0;
  13. 		for(int i=0;i<n;i++){
  14. 			if(m>v[i].first.first){
  15. 				if(m>=(v[i].first.first + v[i].first.second)){
  16. 					volume += ((v[i].first.second) * (v[i].second.first) * (v[i].second.second));
  17. 				}else{
  18. 					volume += ((m - v[i].first.first) * (v[i].second.first) * (v[i].second.second));
  19. 				}
  20. 			}
  21. 		}
  22. 		if(volume<V){low=m;}
  23. 		else{high=m;}
  24. 	}
  25. 	printf("%.2LF\n",low);
  26. }
  27.  
  28. int main(){
  29. 	#ifndef ONLINE_JUDGE
  30. 	freopen("input.in","r",stdin);
  31. 	freopen("output.out","w",stdout);
  32. 	#endif
  33.  
  34. 	int t;
  35. 	cin>>t;
  36.  
  37. 	while(t--){
  38. 		v.clear();
  39. 		cin>>n;
  40.  
  41. 		low = 100000000,high = -100000000;
  42. 		long double TV=0;
  43. 		for(int i=0;i<n;i++){
  44. 			long double a,b,c,d;
  45. 			cin>>a>>b>>c>>d;
  46.  
  47. 			v.push_back(make_pair(make_pair(a,b),make_pair(c,d)));
  48. 			if(low>(a+b)){low=a+b;}
  49. 			if(high<(a+b)){high=a+b;}
  50. 			TV += (b*c*d);
  51. 		}
  52. 		cin>>V;
  53. 		//cout<<TV<<" "<<V<<endl;
  54. 		if(TV < V){cout<<"OVERFLOW"<<endl;}
  55. 		else{
  56. 			f();
  57. 		}
  58. 	}
  59. }
Success #stdin #stdout 0s 15240KB
comments (?)
stdin
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3 
2 
0 1 1 1 
2 1 1 1 
1 
4 
11 7 5 1 
15 6 2 2 
5 8 5 1 
19 4 8 1 
132 
4 
11 7 5 1 
15 6 2 2 
5 8 5 1 
19 4 8 1 
78
stdout
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1.00
OVERFLOW
17.00
https://ideone.com/NwlMmz
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
public

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