Cod sursa(job #2034124)

Utilizator VladAfrasineiAfrasinei VladAfrasinei Data 7 octombrie 2017 14:29:00
Problema Loto Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.52 kb
#include <fstream>
#include <algorithm>

using namespace std;

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

int n, s, nr, mid, ls, ld;
int v[110], suma[1000010];

void afisare (int x)
{
    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= n; j++)
        {
            for (int k = 1; k <= n; k++)
            {
                if (v[i] + v[j] + v[k] == x)
                {
                    out << v[i] << ' ' << v[j] << ' ' << v[k] << ' ';
                    return;
                }
            }
        }
    }
}

int main()
{
    in >> n >> s;

    for (int i = 1; i <= n; i++)
        in >> v[i];

    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= n; j++)
        {
            for (int k = 1; k <= n; k++)
            {
                nr++;
                suma[nr] = v[i] + v[j] + v[k];
            }
        }
    }

    sort (suma + 1, suma + nr + 1);

    for (int i = 1; i <= nr; i++)
    {
         ls = i;
         ld = nr;

         while (ls <= ld)
         {
             mid = (ls + ld) / 2;

             if (suma[i] + suma[mid] == s)
             {
                 afisare(suma[i]);
                 afisare(suma[mid]);

                 return 0;
             }

             else

             {
                 if (suma[i] + suma[mid] < s)
                    ls = mid + 1;

                 else

                    ld = mid - 1;
             }
         }
    }

    out << -1;

    return 0;
}