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  1. #include <iostream>
  2. #include<bits/stdc++.h>
  3. using namespace std;
  4. int main() {
  5. 	int t,n,k,i,j;
  6. 	scanf("%d",&t);
  7. 	while(t--){
  8. 		scanf("%d%d",&n,&k);
  9. 		int a[n];
  10. 		int sum=0,ans=0;
  11. 		for(i=0;i<n;i++)
  12. 		{
  13. 			scanf("%d",&a[i]);
  14. 			sum+=a[i];
  15. 		}
  16. 		sort(a,a+n);
  17. 		for(i=0;i<n;i++)
  18. 		{
  19. 			if(a[i]>k)
  20. 			{
  21.  
  22. 				for(j=i;j<n-1;j++)
  23. 				{
  24. 				//	printf("%d  ",a[i]);
  25. 					if(a[j]>k)
  26. 					{
  27. 						ans=ans+2*(a[j]-k);
  28. 					//	cout<<"sdf  "<<a[j]-k<<endl;
  29. 						int p = a[j]-k;
  30. 						a[j]=a[j]-p;
  31. 						a[j+1]-=p;
  32. 					//	cout<<a[j]<<" " <<a[j+1]<<endl;
  33. 					}
  34. 				}
  35. 				i=n;
  36. 			}
  37.  
  38. 		}
  39. 		printf("%d\n",sum-ans);
  40. 	}
  41. 	return 0;
  42. }
Success #stdin #stdout 0s 4344KB
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language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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