Cod sursa(job #612437)

Utilizator PetcuIoanPetcu Ioan Vlad PetcuIoan Data 7 septembrie 2011 16:58:38
Problema Loto Scor 5
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.2 kb
#include<stdio.h>
#include<vector>
using namespace std;
vector <int> h[666019];
int a[121];
inline void addhash(int x)
{
   h[x%666019].push_back(x);
}
inline int checkhash(int x)
{
    int i,y;
    y=x%666019;
    i=h[y].size();
    for(i--;i>=0;i--)
        if(h[y][i]==x)
            return 1;
    return 0;
}
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",&a[i]);
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
            for(k=1;k<=n;k++)
            {
                if(checkhash(s-a[i]-a[j]-a[k]))
                {
                    printf("%d %d %d ",a[i],a[j],a[k]);
                    s-=a[i]+a[j]+a[k];
                    for(int p=1;p<=i;p++)
                        for(int q=1;q<=j;q++)
                            for(int r=1;r<=k;r++)
                                if(a[p]+a[q]+a[r]==s)
                                {
                                    printf("%d %d %d",a[p],a[q],a[r]);
                                    return 0;
                                }
                }
                addhash(a[i]+a[j]+a[k]);
            }
    printf("-1");
    return 0;
}