Submission #5877786

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Source Code Expand

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner scan = new Scanner (System.in);

		int n = scan.nextInt();
		int X = scan.nextInt();
		int a = 0;


		int[] ary = new int[n];

		for (a = 0; a<n; a++) {
			ary[a] = scan.nextInt();
		}

		String nisin = Integer.toBinaryString(X);

		//System.out.println(nisin);

		int aaa = nisin.length();

		int nedan = 0;
		int i = 0;

		for(i=0; aaa>i; i++) {

			char han = nisin.charAt(aaa-1-i);

			if(han == '1') {
				nedan = nedan + ary[i];
			}
		}

		System.out.println(nedan);

	}

}

Submission Info

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