Cod sursa(job #1238869)

Utilizator valentinraduValentin Radu valentinradu Data 7 octombrie 2014 20:56:14
Problema Loto Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.38 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 (a[i] <= Sx)
        {
            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 <= 5; i++)
                {g << b[i] << " ";
                }
                g << b[6];
                }
                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;
}