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Cod sursa(job #396274)
#include <cstdio>
#include <algorithm>
using namespace std;
const int NMax = 1 << 7;
const int AMax = 1 << 20;
int N, S, v[NMax], a[AMax];
bool comp (int a, int b) {
return a < b;
}
void afisare (int x) {
for (int i = 1; i <= N; ++i)
for (int j = 1; j <= N; ++j)
for (int k = 1; k <= N; ++k)
if (v[i] + v[j] + v[k] == x) {
printf ("%d %d %d ", v[i], v[j], v[k]);
return;
}
}
int main () {
freopen ("loto.in", "r", stdin);
freopen ("loto.out", "w", stdout);
scanf ("%d %d", &N, &S);
for (int i = 1; i <= N; ++i) {
scanf ("%d", &v[i]);
}
for (int i = 1; i <= N; ++i) {
for (int j = 1; j <= N; ++j) {
for (int k = 1; k <= N; ++k) {
a[++v[0]] = v[i] + v[j] + v[k];
}
}
}
sort (a + 1, a + 1 + v[0], comp);
for (int m = 1; m <= v[0]; ++m) {
int i, step;
for (step = 1; step < v[0]; step <<= 1);
for (i = 0; step; step >>= 1)
if (i + step <= v[0] && a[i + step] <= S - a[m])
i += step;
if (a[i] == S - a[m]) {
afisare(a[i]);
afisare(a[m]);
return 0;
}
}
printf ("-1\n");
return 0;
}