Cod sursa(job #2359322)

Utilizator Mihai145Oprea Mihai Adrian Mihai145 Data 28 februarie 2019 19:37:23
Problema Loto Scor 95
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 1.15 kb
#include <fstream>
#include <unordered_set>

using namespace std;

ifstream fin("loto.in");
ofstream fout("loto.out");

int N, S;
int v[105];
unordered_set <int> s;

void WriteSum(int sum)
{
    for(int i = 1; i <= N; i++)
        for(int j = i; j <= N; j++)
            for(int k = j; k <= N; k++)
                if(v[i] + v[j] + v[k] == sum)
                {
                    fout << v[i] << ' ' << v[j] << ' ' << v[k] << ' ';
                    return ;
                }
}

int main()
{
    fin >> N >> S;

    for(int i = 1; i <= N; i++)
        fin >> v[i];

    for(int i = 1; i <= N; i++)
        for(int j = i; j <= N; j++)
            for(int k = j; k <= N; k++)
                s.insert(v[i] + v[j] + v[k]);

    for(int i = 1; i <= N; i++)
        for(int j = 1; j <= N; j++)
            for(int k = 1; k <= N; k++)
                if(s.find(S - v[i] - v[j] - v[k]) != s.end())
                {
                    fout << v[i] << ' ' << v[j] << ' ' << v[k] << ' ';
                    WriteSum(S - v[i] - v[j] - v[k]);
                    return 0;
                }

    fout << -1 << '\n';
    return 0;
}