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  1. #include<bits/stdc++.h> 
  2. #include <queue>
  3. typedef long long int ll;
  4. using namespace std; 
  5.  
  6.  
  7. int main() { 
  8. 	ios_base::sync_with_stdio(false);
  9.     cin.tie(NULL);
  10. 	int t, n;
  11. 	cin>>t;
  12. 	long long int sum = 0, a, b, c, d, med, z;
  13. 	while (t > 0) {
  14. 		t--;
  15. 		priority_queue <ll> max;
  16. 		priority_queue <ll, vector<ll>, greater<ll> > min;
  17. 		cin>>a>>b>>c>>n;
  18. 		d = b;
  19. 		sum = 1;
  20. 		max.push(1l);
  21. 		b += d;
  22. 		for(int i = 2; i <= n; i++) {
  23. 			int mxs = max.size(), mis = min.size();
  24. 			ll mxp = max.top(); 
  25. 			ll mip = -1l;
  26. 			if(mis != 0) mip = min.top();
  27. 			med = mxp;
  28. 			z = ((a * med) + b + c) % 1000000007;
  29. 			b += d;
  30. 			sum += z;
  31. 			if(mxs == mis) {
  32. 				if(mis == 0) max.push(z);
  33. 				else if(mxp <= z && mip >= z) {
  34. 					max.push(z);
  35. 				}
  36. 				else if(mip < z) {
  37. 					max.push(min.top());
  38. 					min.pop();
  39. 					min.push(z);
  40. 				}
  41. 				else {
  42. 					max.push(z);
  43. 				}
  44. 			}
  45. 			else {
  46. 				if(mis == 0) {
  47. 					if(mxp <= z) min.push(z);
  48. 					else {
  49. 						min.push(max.top());
  50. 						max.pop();
  51. 						max.push(z);
  52. 					}
  53. 				}
  54. 				else if(mxp <= z) {
  55. 					min.push(z);
  56. 				}
  57. 				else {
  58. 					min.push(max.top());
  59. 					max.pop();
  60. 					max.push(z);
  61. 				}
  62. 			}
  63. 		}
  64. 		cout<<sum<<endl;
  65. 	}
  66. } 
  67.  
Success #stdin #stdout 0s 4508KB
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https://ideone.com/XUydpj
problem WEIRDFN, based on SPOJ submission 24885672 (CPP14), 2019-11-17 12:48:50
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
secret

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