Cod sursa(job #167015)

Utilizator jupanu92Anonim jupanu92 Data 28 martie 2008 21:01:40
Problema Bilute Scor 90
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.53 kb
#include<fstream>
using namespace std;
unsigned long v[30005],x[30005],y[30005],g[30005];
int main()
{unsigned long p=0,T=0,ti=0,min,i,n;
ifstream fin("bilute.in");
ofstream fout("bilute.out");

fin>>n;

for(i=1;i<=n;i++)
  {fin>>v[i]>>g[i];
   T+=v[i]*g[i];
   x[i]=x[i-1]+v[i]*i;
   y[i]=y[i-1]+v[i];
   }
min=-20000005;
for(i=1;i<=n;i++)
  {ti=T-(v[i]*g[i])+x[n]-x[i]-i*(y[n]-y[i])+i*(y[i-1])-(x[i-1]);
   if(ti<=min)
     {min=ti;
      p=i;
      }
   }
fout<<p<<" "<<min;
fin.close();
fout.close();
return 0;
}