Submission #1127084

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Source Code Expand

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		int n = scanner.nextInt(),k = scanner.nextInt();
		int[] a = new int[n];
		for(int i=0;i<n;i++){
			a[i] = scanner.nextInt();
		}
		long total = 0;
		for(int i=0;i<n-k+1;i++){
			for(int j=i;j<i+k;j++){
				total += a[j];
			}
		}
		System.out.println(total);
	}

}

Submission Info

Judge Result