Cod sursa(job #1888660)
Utilizator | Data | 22 februarie 2017 11:49:11 | |
---|---|---|---|
Problema | Energii | Scor | 5 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.49 kb |
#include <cstdio>
#include <algorithm>
int N,G,g,v;
long long int a[50001];
using std::max;
using std::min;
#define INF (1<<30)
void dp()
{
scanf("%d %d",&N,&G);
for(int j = G; j>=1;j--)
a[j]=INF;
while(N--)
{
scanf("%d %d ",&g,&v);
for(int j = G ;j >= g; j--)
a[j]=min(a[j],a[j-g]+v);
}
printf("%lld\n",a[G]!=INF?a[G]:-1);
}
int main()
{
freopen("energii.in","r",stdin);
freopen("energii.out","w",stdout);
dp();
return 0;
}