Cod sursa(job #1238849)

Utilizator valentinraduValentin Radu valentinradu Data 7 octombrie 2014 20:36:20
Problema Loto Scor 5
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.15 kb
#include <iostream>
#include <fstream>
#include <algorithm>
using namespace std;
ifstream f("loto.in");
ofstream g("loto.out");
int n, S, a[101], i, b[7];
int descresc(int a, int b)
{
    return a > b;
}
int cresc(int a, int b)
{
    return a < b;
}
int term = 1;
void proc(int k, int Sx, int pos)
{
    if (term)
    for (int i = k + 1; i <= n; i++)
    {
        if (b[1] != 0 && b[2] != 0 && b[3] != 0 && b[4] != 0 && b[5] != 0 && b[6] != 0)
        {
            term = 0;
            sort(b + 1, b + 7, cresc);
            int v = 0;
            for (i = 1; i <= 6; i++) v += b[i];
            if (v == S) for (i = 1; i <= 6; i++) g << b[i] << " ";
            else g << "-1";
            f.close();
            g.close();
            exit(0);
            break;
        }
        if (Sx - a[i] >= 0)
        {
            b[pos] = a[i];
            proc(i - 1, Sx - a[i], pos + 1);
        }
        else
        {
            proc(i, Sx - a[i], pos + 1);
        }
    }
}
int main()
{
    f >> n >> S;
    for (i = 1; i <= n; i++) f >> a[i];
    sort(a + 1, a + n + 1, descresc);
    proc(0, S, 1);
    return 0;
}