Cod sursa(job #2803747)

Utilizator Cosmin2004_InfoMoldoveanu Cosmin Cosmin2004_Info Data 20 noiembrie 2021 13:33:03
Problema Loto Scor 75
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.87 kb
#include <bits/stdc++.h>

using namespace std;
ifstream fin("loto.in");
ofstream fout("loto.out");
unordered_map <int, vector <int>> r;

int main()
{
    int n, x, s;
    fin >> n >> s;
    vector <int> v(n);
    for(int i = 1; i <= n; i++)
        fin >> x,
        v[i - 1] = x,
        r[x] = {x};
    for(int i = 1; i <= 2; i++) {
        unordered_map <int, vector <int>> prev = r;
        r.clear();
        for(auto p : prev)
            for(auto x : v) if(r.find(p.first + x) == r.end())
                r[p.first + x] = p.second,
                r[p.first + x].push_back(x);
    }
    bool flag = true;
    for(auto p : r) if(r.find(s - p.first) != r.end()) {
        for(int a : r[s - p.first]) fout << a << " ";
        for(int b : p.second) fout << b << " ";
        flag = false;
        break;
    }
    if(flag) fout << "-1";
    return 0;
}