Cod sursa(job #52106)
#include <stdio.h>
#define Inf (1<<18)
int v[30002];
char x[30002];
int main()
{
freopen("energii.in","r",stdin);
freopen("energii.out","w",stdout);
int n,s, min = Inf, i,j,a,b;
scanf("%d%d", &n, &s);
x[0] = 1;
for(i=1;i<=n;++i)
{
scanf("%d%d", &a,&b);
for(j=s-a;j>=0;--j)
if(x[j])
{
if((x[j+a] == 0) || (v[j+a] >= v[j]+b))
v[j+a] = v[j] + b;
x[j+a] = 1;
}
}
for(i=s;i<=30000;++i)
if(v[i] && v[i] < min)
min = v[i];
if(min != Inf)
printf("%d\n", min);
else
printf("-1\n");
for(i=0;i<=10;++i)
printf("%d ", v[i]);
return 0;
}