Cod sursa(job #2627296)

Utilizator JesseMcCreeVladimir Sontea JesseMcCree Data 10 iunie 2020 13:00:59
Problema Loto Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 1.22 kb
#include <fstream>

#include <algorithm>

using namespace std;

ifstream f("loto.in");

ofstream g("loto.out");

#define nmax 101

int n, S, a[nmax], v[nmax*nmax*nmax], st, dr, m, p;

void afis(int s)
{

    for (int i = 1; i <= n; ++i) for (int j = i; j <= n; ++j) for (int k = j; k <= n; ++k)

                if (s == a[i] + a[j] + a[k])
                {

                    g << a[i] << ' ' << a[j] << ' ' << a[k];

                    return;

                }

}

int main()

{

    f >> n >> S;

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

    for (int i = 1; i <= n; ++i) for (int j = i; j <= n; ++j) for (int k = j; k <= n; ++k)

                v[++p] = a[i] + a[j] + a[k];

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

    for (int i = 1; i <= p; ++i)
    {

        st = 1, dr = p;

        while (st <= dr)
        {
            m = (st + dr) / 2;

            if (v[m] == S - v[i])
            {
                afis(v[i]);
                g << ' ';
                afis(v[m]);
                g << endl;
                exit(0);

            }

            if (v[m] < S - v[i]) st = m + 1;
            else dr = m - 1;

        }

    }

    g << "-1\n";

    return 0;

}