Cod sursa(job #1347819)
Utilizator | Data | 19 februarie 2015 11:42:34 | |
---|---|---|---|
Problema | Energii | Scor | 35 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.52 kb |
#include <fstream>
using namespace std;
ifstream in ("energii.in");
ofstream out ("energii.out");
int main ()
{
int g,w,e,c,i,j,cmax=0,v[5005];
in>>g>>w;
for (j=1;j<=5005;j++)
v[j]=-1;
v[0]=0;
for (i=1;i<=g;i++)
{
in>>e>>c;
for (j=cmax;j>=0;j--)
{
if (v[j]!=-1&&j+c<5005&&v[j+c]<v[j]+e)
v[j+c]=v[j]+e;
if (j+c>cmax)
cmax=j+c;
}
}
for (j=1;j<=cmax;j++)
if (v[j]>=w)
{
out <<j;
break;
}
return 0;
}