Cod sursa(job #418529)
Utilizator | Data | 15 martie 2010 23:20:32 | |
---|---|---|---|
Problema | Energii | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.44 kb |
#include<fstream.h>
int e[1100],c[1100],dp[6000];
int main()
{
int n,w,i,emax=0,j;
ifstream f("energii.in");
ofstream g("energii.out");
f>>n>>w;
for(i=1;i<=n;i++)
f>>e[i]>>c[i];
for(i=0;i<=emax&&i<=w;i++)
if(dp[i]||!i)
for(j=1;j<=n;j++)
if(!dp[i+e[j]]||dp[i+e[j]]>dp[i]+c[j])
{
dp[i+e[j]]=dp[i]+c[j];
if(emax<i+e[j])
emax=i+e[j];
}
if(!dp[w])
g<<"-1";
else
g<<dp[w];
return 0;
}