Envío 506

Código

import java.util.Scanner;

public class Main {

    public static int[] processLine(int N, Scanner myObj) {
        int elements[] = new int[N];
        for (int i=0; i < N; i++) {
            elements[i] = myObj.nextInt();
        }
        return elements;
    }
    
    public static int sum(int[] elements, int from, int to) {
        int sum = 0;
        for (int i=from; i <= to; i++) {
            sum += elements[i];
        }
        return sum;
    }
    
    public static void main(String ...args) {
        int N, C, from, to;
        int[] elements;
        Scanner myObj = new Scanner(System.in);
        N = myObj.nextInt();
        elements = processLine(N, myObj);
        C = myObj.nextInt();
        for (int i = 0; i < C; i++) {
            from = myObj.nextInt();
            to = myObj.nextInt();
            System.out.println(sum(elements, from, to));
        }
    }
}