Cod sursa(job #1744720)

Utilizator tziplea_stefanTiplea Stefan tziplea_stefan Data 20 august 2016 10:45:44
Problema Loto Scor 100
Compilator cpp Status done
Runda Teme Pregatire ACM Unibuc 2014, Anul I Marime 1.65 kb
#include <fstream>
#include <algorithm>
#define NR 105
#define VAL 1000005

using namespace std;

ifstream fin("loto.in");
ofstream fout("loto.out");

int N, S, i, M, ans, x, y;
int v[NR], j, k, s[VAL], b;
bool ok1, ok2;

int main()
{
    fin >> N >> S;
    for (i=1; i<=N; i++)
      fin >> v[i];
    for (i=1; i<=N; i++)
      for (j=1; j<=N; j++)
        for (k=1; k<=N; k++)
          s[++M]=v[i]+v[j]+v[k];
    sort(s+1, s+M+1);
    for (i=1; i<=M; i++)
    {
        if (binary_search(s+1, s+M+1, S-s[i])==1)
        {
            x=s[i];
            y=S-s[i];
            break;
        }
    }
    if (x==0)
      fout << -1 << '\n';
    else
    {
        for (i=1; i<=N; i++)
        {
            for (j=1; j<=N; j++)
            {
                for (k=1; k<=N; k++)
                {
                    ans=v[i]+v[j]+v[k];
                    if (ans==x && ok1==false)
                    {
                        ok1=true;
                        fout << v[i] << " " << v[j] << " " << v[k] << " ";
                    }
                    if (ok1==true && ok2==true)
                      break;
                    if (ans==y && ok2==false)
                    {
                        ok2=true;
                        fout << v[i] << " " << v[j] << " " << v[k] << " ";
                    }
                    if (ok1==true && ok2==true)
                      break;
                }
                if (ok1==true && ok2==true)
                  break;
            }
            if (ok1==true && ok2==true)
              break;
        }
    }
    fin.close();
    fout.close();
    return 0;
}