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Cod sursa(job #700315)
#include<fstream>
#define dim 5002
using namespace std;
ifstream fin("rucsac.in");
ofstream fout("rucsac.out");
int D[2][2*dim],i,x,j,G,n;
inline int max(int a,int b){
if(a<b)
return b;
return a;
}
struct {
int w,p;
}
v[dim];
int main (){
fin>>n>>G;
for(i=1;i<=n;i++)
fin>>v[i].w>>v[i].p;
for(i=1;i<=n;i++){
x=1-x;
for(j=0;j<=G;j++){
if(v[i].w<=j){
D[1-x][j]=max(D[x][j],D[x][j-v[i].w]+v[i].p);
}
else
D[1-x][j]=D[x][j];
}
}
fout<<D[1-x][G];
return 0;
}