Cod sursa(job #2494676)

Utilizator david.teacaDavid Stefan Teaca david.teaca Data 18 noiembrie 2019 11:51:03
Problema Loto Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 1.15 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;

}