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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int t;
  6. 	cin>>t;
  7. 	while(t--)
  8. 	{
  9. 	int n;
  10. 	cin>>n;
  11. 	int a[n];
  12. 	for(int i=0;i<n;i++)
  13. 	{
  14. 		cin>>a[i];
  15. 	}
  16. 	int s=0,st=0,s1=0,c=0;
  17. 	for(int i=0;i<n;i++)
  18. 	{
  19.       	if(s<a[i] && i>0)
  20.       	{
  21.       		st=-s+i*a[i];
  22.       		s1=-1;c=-1;
  23.       	}
  24.       	else if(s1<a[i] && c>0)
  25.       	{
  26.       		st=st-s1+c*a[i];
  27.       	}
  28.       	if(s1==-1)
  29.       	s1=0;
  30.       	else
  31.       	s1=s1+a[i];
  32.       	s=s+a[i];c++;
  33.  
  34. 	}
  35.  
  36.     cout<<st<<endl;
  37. }
  38. 	return 0;
  39. }
Success #stdin #stdout 0.01s 5404KB
comments (?)
stdin
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3
3
5 3 2
3
1 2 100
4
1 3 1 2
stdout
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0
197
3
https://ideone.com/gxxW1F
language:
C++14 (gcc 8.3)
created:
1 year ago
visibility:
public

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