Cod sursa(job #3130166)

Utilizator z.catincaCatinca Zavoianu z.catinca Data 16 mai 2023 23:14:10
Problema Loto Scor 0
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 1.57 kb
#include <iostream>
#include <fstream>
#include <vector>

using namespace std;

bool generateTicket(int N, int S, const vector<int>& numbers, int currentIndex, int currentSum, vector<int>& chosenNumbers, vector<int>& result) {
    if (currentSum == S && chosenNumbers.size() == 6) {
        result = chosenNumbers;
        return true;
    }

    if (currentSum > S || chosenNumbers.size() == 6 || currentIndex == N) {
        return false;
    }


    chosenNumbers.push_back(numbers[currentIndex]);
    if (generateTicket(N, S, numbers, currentIndex + 1, currentSum + numbers[currentIndex], chosenNumbers, result)) {
        return true;
    }
    chosenNumbers.pop_back();

    // Exclude the current number
    if (generateTicket(N, S, numbers, currentIndex + 1, currentSum, chosenNumbers, result)) {
        return true;
    }

    return false;
}

vector<int> findWinningTicket(int N, int S, const vector<int>& numbers) {
    vector<int> chosenNumbers;
    vector<int> result;
    generateTicket(N, S, numbers, 0, 0, chosenNumbers, result);
    return result;
}

int main() {
    ifstream inputFile("loto.in");

    ofstream outputFile("loto.out");

    int N, S;
    inputFile >> N >> S;

    vector<int> numbers(N);
    for (int i = 0; i < N; i++) {
        inputFile >> numbers[i];
    }

    vector<int> winningTicket = findWinningTicket(N, S, numbers);

    if (!winningTicket.empty()) {
        for (int i = 0; i < 6; i++) {
            outputFile << winningTicket[i] << " ";
        }
    } else {
        outputFile << "-1";
    }


    inputFile.close();
    outputFile.close();

    return 0;
}