Cod sursa(job #1022128)

Utilizator WyvernFMI Stanescu Leonard Wyvern Data 4 noiembrie 2013 19:44:53
Problema Loto Scor 5
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.65 kb
#include <iostream>
#include <fstream>
using namespace std;
ifstream fi("loto.in");
ofstream fo("loto.out");
struct valori {
int a,b,c,suma;};
int v[100],s,x,y,nr;
short n;
valori w[1000002];

int cautbin(int i,int j,int x) {
    int m=(i+j)/2;
    if ((m==i)&&(w[m].suma!=x)&&(w[m+1].suma!=x))
        return -1;
    else
        if (w[m].suma==x)
            return m;
        else
            if (w[m+1].suma==x)
                return m+1;
            else
                if (x<w[m].suma)
                    cautbin(i,m,x);
                else
                    cautbin(m,j,x);
}

int main()
{
    fi>>n>>s;
    for (int i=1;i<=n;i++) {
        fi>>v[i];
        if (v[i]*6==s)
            x=v[i];
        if (v[i]>y)
            y=v[i];
    }
    if (x!=0)
        for (int i=1;i<=6;i++)
            fo<<x<<' ';
    else
        if (y*6<s)
            fo<<'-1';
        else {
            for (int i=1;i<=n;i++)
                for (int j=i;j<=n;j++)
                    for (int k=j;k<=n;k++)
                        if (v[i]+v[j]+v[k]<s) {
                            nr++;
                            w[nr].a=v[i];
                            w[nr].b=v[j];
                            w[nr].c=v[k];
                            w[nr].suma=v[i]+v[j]+v[k];
                    }
    x=0;y=0;
    for (int i=n;i>=1;i--)
        if (w[i].suma+w[cautbin(1,nr,s-w[i].suma)].suma==s) {
                x=i;
                y=cautbin(1,nr,s-w[i].suma);
            }
        }
    if (x==0)
        fo<<'-1';
    else
        fo<<w[x].a<<' '<<w[x].b<<' '<<w[x].c<<' '<<w[y].a<<' '<<w[y].b<<' '<<w[y].c;
    return 0;
}