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Cod sursa(job #130525)
#include <iostream>
#include <fstream>
#include <vector>
#include <set>
using namespace std;
int S(0),
N(0);
int v[100];
void print_back(int s, ostream &os) {
for (int i(0); i < N; ++i)
for (int j(0); j < N; ++j)
for (int k(0); k < N; ++k)
if (v[i] + v[j] + v[k] == s) {
os << v[i] << " " << v[j] << " " << v[k];
return;
}
}
int main(int argc, char *argv[]) {
ifstream fin("loto.in");
fin >> N >> S;
for (int i(0); i < N; ++i)
fin >> v[i];
fin.close();
set<int> sume;
int aux;
for (int i(0); i < N; ++i) {
for (int j(0); j < N; ++j) {
for (int k(0); k < N; ++k) {
aux = v[i] + v[j] + v[k];
if (sume.find(aux) == sume.end())
sume.insert(aux);
}
}
}
for (set<int>::const_iterator it = sume.begin(); it != sume.end(); ++it) {
if (sume.find(S - *it) != sume.end()) {
ofstream fout("loto.out");
print_back(*it, fout);
fout << " ";
print_back(S - *it, fout);
fout << endl;
fout.close();
return 0;
}
}
ofstream fout("loto.out");
fout << -1 << endl;
fout.close();
return 0;
}