Cod sursa(job #2483393)

Utilizator eduardcadarCadar Eduard eduardcadar Data 29 octombrie 2019 18:35:41
Problema Loto Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 1.07 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;
}