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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int a,b,c;
  6. 	cin >> a;
  7. 	while (a--)
  8. 	{
  9. 		cin >> b;
  10. 		long long sum = 0;
  11. 		vector<int> nums(b);
  12. 		for (int i = 0; i < b; i++)
  13. 		{
  14. 			cin >> nums[i];
  15. 		}
  16. 		int sign;
  17. 		if (nums[0] > 0)
  18. 		{
  19. 			sign = 1;
  20. 		}
  21. 		else
  22. 		{
  23. 			sign = -1;
  24. 		}
  25. 		vector<int> numbers;
  26. 		for (int i = 0; i < b; i++)
  27. 		{
  28. 			int cursign;
  29. 			if (nums[i] > 0)
  30. 			{
  31. 				cursign = 1;
  32. 			}
  33. 			else
  34. 			{
  35. 				cursign = -1;
  36. 			}
  37. 			if (sign == cursign)
  38. 			{
  39. 				numbers.push_back(nums[i]);
  40. 			}
  41. 			else
  42. 			{
  43. 				int num = -INT_MAX;
  44. 				for (int item : numbers)
  45. 				{
  46. 					num = max(num,item);
  47. 				}
  48. 				sum+= num;
  49. 				numbers.clear();
  50. 				sign = cursign;
  51. 				numbers.push_back(nums[i]);
  52. 			}
  53. 		}
  54. 		int num = -INT_MAX;
  55. 		for (int item : numbers)
  56. 		{
  57. 			num = max(num,item);
  58. 		}
  59. 		sum+= num;
  60. 		cout << sum << '\n';
  61. 	}
  62. }
Success #stdin #stdout 0.01s 5292KB
comments (?)
stdin
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4
5
1 2 3 -1 -2
4
-1 -2 -1 -3
10
-2 8 3 8 -4 -15 5 -2 -3 1
6
1 -1000000000 1 -1000000000 1 -1000000000
stdout
copy 
2
-1
6
-2999999997
https://ideone.com/hbFinc
language:
C++14 (gcc 8.3)
created:
15 hours ago
visibility:
public

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