백준 2798번 - 블랙잭 (Java 8)

https://www.acmicpc.net/problem/2798

2798번: 블랙잭

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.StringTokenizer;

public class Main {
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        StringTokenizer st = new StringTokenizer(br.readLine(), " ");
        int N = Integer.parseInt(st.nextToken());
        int M = Integer.parseInt(st.nextToken());

        int[] nArr = new int[N];        
        st = new StringTokenizer(br.readLine());
        for(int i=0; i<N; i++){
            nArr[i] = Integer.parseInt(st.nextToken());
        }
        
        int max = 0;
        for(int i=0; i<N; i++){
            for(int j=i+1; j<N; j++){
                for(int k=j+1; k<N; k++){
                    int sum = nArr[i]+nArr[j]+nArr[k];
                    if(max < sum && sum <= M){
                        max = sum;
                    }
                }
            }
        }
        
        System.out.println(max);
    }
}