백준 2798번: 블랙젝

www.acmicpc.net/problem/2798

2798번: 블랙잭

 

 

#include <iostream>
#include <algorithm> // min
#include <functional>
#include <math.h>
#include <string>
#include <string.h>
#include <vector>
#include <map>
#include <sstream>

using namespace std;

int main()
{
	std::ios::sync_with_stdio(false);

	int n, m; cin >> n >> m;

	vector<int> arr(n);
	for (int i = 0; i < n; i++)
		cin >> arr[i];

	int sol = 0;
	for (int i = 0; i < n - 2; i++)
		for (int j = i + 1; j < n - 1; j++)
			for (int k = j + 1; k < n; k++)
				if (arr[i] + arr[j] + arr[k] <= m && m - (arr[i] + arr[j] + arr[k]) < m - sol)
					sol = arr[i] + arr[j] + arr[k];

	cout << sol << "\n";
	return 0;
}