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Cod sursa(job #163425)
#include<fstream>
using namespace std;
int main()
{long m,n,i,c[30001],l[30001],max,sf,s,poz,j;
ifstream fin("bilute.in");
ofstream fout("bilute.out");
fin>>n;
for(i=1;i<=n;i++)
fin>>c[i]>>l[i];
max=100000;
for(i=1;i<=n;i++)
{sf=0;
for(j=1;j<=n;j++)
{s=0;
if(i!=j)
{m=j-i;
if(m<0)m=m*-1;
s=c[j]*l[j]+(c[j]*m);
sf=sf+s;
}
}
if(sf<max){poz=i;max=sf;}
}
fout<<poz<<" "<<max;
fin.close();
fout.close();
return 0;
}