Envío 2467

Código

import java.util.Scanner;
class Main {
  public static void main(String[] args) {
    Scanner scan = new Scanner(System.in);

    int n = scan.nextInt();
    int[] arr = new int[n];

    for(int i=0; i<n;i++){
    arr[i] = scan.nextInt();
    }

    int c = scan.nextInt();
    int x,a,b;
    for(int i=0; i<c; i++){
      x = 0 ;
      a = scan.nextInt();
      b = scan.nextInt();
      for(int j=a;j<=b;j++){
      x += arr[j];
      }
      System.out.println(x);
    }
    
 }
}