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  1. #include <iostream>
  2. #include <stack>
  3. #include <vector>
  4. using namespace std;
  5.  
  6. int main() {
  7.  
  8. 	int n;
  9. 	cin>>n;
  10.  
  11. 	int a[n];
  12. 	for(int i=0;i<n;i++)
  13. 	{
  14. 		cin>>a[i];
  15. 	}
  16.  
  17. 	stack<int> St;
  18. 	vector<int> ans;
  19. 	for(int i=0;i<n;i++)
  20. 	{
  21. 		while(!St.empty() && a[St.top()] >= a[i])
  22. 		{
  23. 			St.pop();
  24. 		}
  25.  
  26. 		if(St.empty())
  27. 		{
  28. 			ans.push_back(0);
  29. 		}
  30. 		else
  31. 		{
  32. 			ans.push_back(St.top()+1);
  33. 		}
  34.  
  35. 		St.push(i);
  36. 	}
  37.  
  38. 	for(int i=0;i<ans.size();i++)
  39. 	{
  40. 		cout<<ans[i]<<" ";
  41. 	}
  42. 	cout<<endl;
  43.  
  44. 	return 0;
  45. }
Success #stdin #stdout 0.01s 5288KB
comments (?)
stdin
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8
2 5 1 4 8 3 2 5
stdout
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0 1 0 3 4 3 3 7
https://ideone.com/9xT3EC
language:
C++14 (gcc 8.3)
created:
9 days ago
visibility:
public

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