Cod sursa(job #2035385)
Utilizator | Data | 9 octombrie 2017 11:58:12 | |
---|---|---|---|
Problema | Energii | Scor | 5 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.47 kb |
#include <fstream>
using namespace std;
ifstream f("energii.in");
ofstream g("energii.out");
int n,k,i,j,x,y,v[5002];
int main()
{
f>>n>>k;
for(i=1;i<=k;i++)
v[i]=5006002;
for(i=1;i<=n;i++)
{
f>>x>>y;
if(x>=k&&v[k]>y)
v[k]=y;
for(j=k-x;j>=1;j--)
if(v[j+x]>v[j]+y)
v[j+x]=v[j]+y;
}
if(v[k]!=5006002)
g<<v[k];
else
g<<-1;
return 0;
}