import java.util.*; public class Main{ public static void main(String[] args){ Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int[] arr = new int[n]; for(int i=0;i<arr.length;i++){ arr[i] = sc.nextInt(); } long ans = 0; int l=0,r=n-1; long lnum=arr[l],rnum=arr[r]; while(r>=l){ if(l...
