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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() 
  5. {
  6. 	freopen("PAINT.inp","r",stdin);
  7. 	freopen("PAINT.out","w",stdout);
  8. 	long long n;
  9. 	long long a[10000001];
  10. 	long long b[10000001],p[10000001],y[10000001];
  11. 	long long x[10000001],h[10000001],v[10000001];
  12. 	int t;
  13. 	cin>>t;
  14. 	while(t--)
  15. 	{
  16. 		cin>>n;
  17. 		x[0]=0;
  18. 		h[0]=0;
  19. 		v[0]=0;
  20. 		int sum=0;
  21. 		for(int i=1;i<=n;i++)
  22. 		{
  23. 			cin>>b[i]>>p[i]>>y[i];
  24.  
  25. 		}
  26. 		for(int i=1;i<=n;i++)
  27. 		{
  28. 			x[i]=min(h[i-1],v[i-1])+b[i];
  29. 			h[i]=min(x[i-1],v[i-1])+p[i];
  30. 			v[i]=min(x[i-1],h[i-1])+y[i];
  31. 			sum=min(x[i],min(h[i],v[i]));
  32. 		}
  33. 		cout<<sum<<"\n";
  34. 	}
  35. 	exit(0);
  36. }
Success #stdin #stdout 0s 4292KB
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https://ideone.com/lOamEE
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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