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Cod sursa(job #844478)
#include <iostream>
#include <fstream>
using namespace std;
ifstream f("iepuri.in");
ofstream g("iepuri.out");
int main()
{
long n,a,b,c,x,y,z,t;
f>>t;
for(int i=1;i<=t;i++)
{
int nr_iep=0;
f>>x>>y>>z>>a>>b>>c>>n;
for(int j=3;j<=n;j++)
{
nr_iep=z*a+y*b+x*c;
x=y;
y=z;
z=nr_iep;
}
g<<nr_iep<<"\n";
}
f.close();
g.close();
return 0;
}