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Cod sursa(job #464754)
#include<fstream.h>
long s[10005],eg[1005],cg[1005],g,w;
void cit()
{ifstream fin("energii.in");
fin>>g>>w;
long i;
for(i=1;i<=g;++i)
fin>>eg[i]>>cg[i];
fin.close();
}
void solve()
{s[0]=1;
long i,j;
for(i=1;i<=g;++i)
{ for(j=10005;j>=0;--j)
if(s[j]&&j+eg[i]<=10000)
{if(s[j+eg[i]]==0)
s[j+eg[i]]=s[j]+cg[i];
else
if(s[j+eg[i]]>s[j]+cg[i])
s[j+eg[i]]=s[j]+cg[i];
}
}
}
void afis()
{ofstream fout("energii.out");
long i;
for(i=1;i<=10005;++i)
if(s[i])
fout<<i<<" "<<s[i]-1<<'\n';
fout.close();
}
int main()
{cit();
solve();
afis();
return 0;
}