Cod sursa(job #2002411)

Utilizator alex2704Pirvuceanu Alexandru alex2704 Data 19 iulie 2017 19:30:35
Problema Loto Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.32 kb
#include <iostream>
#include <fstream>
#include <algorithm>
using namespace std;

ifstream f("loto.in");
ofstream g("loto.out");

#define maxn 110
#define maxx 1000010

int n,s,l;
int a[maxn];
int v[maxx];

inline int search(int x)
{
       int front=1,middle,back=l;

       while (front<=back)
       {
             middle=(front+back)/2;

             if (v[middle]==x) return 1;
             else if (x<v[middle]) back=middle-1;
                  else front=middle+1;
       }

       return 0;
}

int main()
{

    f>>n>>s;

    int i,j,k,x;

    for (i=1;i<=n;i++) f>>a[i];

    for (i=1;i<=n;i++)
      for (j=1;j<=n;j++)
        for (k=1;k<=n;k++) v[++l]=a[i]+a[j]+a[k];

    sort(v+1,v+l+1);

    for (i=1;i<=n;i++)
      for (j=1;j<=n;j++)
        for (k=1;k<=n;k++)
        {
            x=s-a[i]-a[j]-a[k];
            if (search(x))
            {
                 g<<a[i]<<" "<<a[j]<<" "<<a[k]<<" ";
                 for (i=1;i<=n;i++)
                   for (j=1;j<=n;j++)
                     for (k=1;k<=n;k++)
                       if (a[i]+a[j]+a[k]==x)
                       {
                            g<<a[i]<<" "<<a[j]<<" "<<a[k]<<" ";
                            return 0;
                       }
            }
        }

    g<<"-1";

    return 0;
}