Cod sursa(job #2394342)
Utilizator | Data | 1 aprilie 2019 16:06:21 | |
---|---|---|---|
Problema | Energii | Scor | 100 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva de probleme | Marime | 0.58 kb |
#include <fstream>
using namespace std;
ifstream fin("energii.in");
ofstream fout("energii.out");
int n,maxim,i,j,s,e[1002],c[1002],d[55500];
int main()
{
fin >> n >> maxim;
for (i=1;i<=n;i++)
{
fin >> e[i] >> c[i];
s+=e[i];
}
if (s<maxim)
{
fout << -1;
return 0;
}
for (i=1;i<=maxim;i++) d[i]=55500;
for (i=1;i<=n;i++)
{
for (j=maxim;j-e[i]>=0;j--) d[j]=min(d[j-e[i]]+c[i],d[j]);
for (j=1;j<e[i];j++) d[j]=min(d[j],c[i]);
}
fout << d[maxim];
return 0;
}