[백준-2798번/Java] 블랙잭

* StringTokenizer 사용함.

import java.io.*;
import java.util.*;

public class Main {

	public static void main(String[] args) throws IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));

		String str = br.readLine();
		int N = Integer.parseInt(str.split(" ")[0]);
		int M = Integer.parseInt(str.split(" ")[1]);

		String str2 = br.readLine();
		StringTokenizer stk = new StringTokenizer(str2);
		int[] arr = new int[N];
		int index = 0;
		while (stk.hasMoreElements()) {
			int num = Integer.parseInt(stk.nextToken());
			arr[index] = num;
			index++;
		}
		Arrays.sort(arr);

		int sum = 0;
		boolean check = false;

		for (int i = 0; i < arr.length - 2; i++) {
			for (int j = i + 1; j < arr.length - 1; j++) {
				for (int k = i + 2; k < arr.length; k++) {
					int case_sum = arr[i] + arr[j] + arr[k];
					if (case_sum > M) {
						break;
					} else if (case_sum > sum) {
						sum = case_sum;
					}
				}
			}
		}

		System.out.println(sum);
	}

}