Cod sursa(job #974376)

Utilizator smaraldaSmaranda Dinu smaralda Data 16 iulie 2013 23:07:02
Problema Loto Scor 95
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.27 kb
#include<algorithm>
#include<cstdio>
#include<set>
using namespace std;

struct BILET
    {
        int b1,b2,b3,s;
        bool operator < (const BILET & other) const
            {
                return s<other.s;
            }
    };


set < BILET > sum;
set < BILET >::iterator st,dr;
int b[110];
BILET aux;

int main()
{
    freopen("loto.in","r",stdin);
    freopen("loto.out","w",stdout);
    int n,S,i,j,k;
    scanf("%d%d",&n,&S);
    for(i=1;i<=n;i++)
        scanf("%d",&b[i]);

    for(i=1;i<=n;i++)
        for(j=i;j<=n;j++)
            for(k=j;k<=n;k++)
                {
                    aux={b[i],b[j],b[k],b[i]+b[j]+b[k]};
                    sum.insert(aux);
                }

    st=sum.begin();
    dr=sum.end(); advance(dr,-1);
    while(st!=sum.end() && dr!=sum.end() && (*st).s<=(*dr).s)
        {
            while(st!=sum.end() && dr!=sum.end() && (*st).s<=(*dr).s && (*dr).s+(*st).s >=S )
                {
                    if((*st).s + (*dr).s == S)
                        {
                            printf("%d %d %d %d %d %d",(*st).b1,(*st).b2,(*st).b3,(*dr).b1,(*dr).b2,(*dr).b3);
                            return 0;
                        }
                    advance(dr,-1);
                }
            st++;
        }

    printf("-1\n");
    return 0;
}