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  1. import java.util.*;
  2. class BeingZero {
  3. 	public static boolean isPalindrome(int[] a){
  4. 		int i=0, j=a.length-1;
  5. 		while(i<=j){
  6. 			if(a[i]!=a[j]){
  7. 				return false;
  8. 			}
  9. 			i++;
  10. 			j--;
  11. 		}
  12. 		return true;
  13.  
  14. 	}
  15.     public static void main(String[] args) {
  16.         Scanner sc = new Scanner(System.in);
  17.         long n = sc.nextLong();
  18.         int arr[] = new int[(int)n];
  19.         //Reading array elements
  20.         for(int i=0;i<n;i++)
  21.         {
  22.             arr[i]= sc.nextInt();
  23.         }
  24.         //Print from 0 to n
  25.         for(int ele : arr)
  26.         {
  27.             System.out.print(ele +" ");
  28.         }
  29.         System.out.println();
  30.  
  31.         //Print from n to 0
  32.         int N = (int)n;
  33.         for(int i = N-1;i>=0;i--)
  34.         {
  35.             System.out.print(arr[i]+" ");
  36.         }
  37.         System.out.println();
  38.         //Print even index elements
  39.         for(int i = 0;i<N;i=i+2) {
  40.             System.out.print(arr[i]+" ");
  41.         }
  42.         System.out.println();
  43.         List<Integer> lst=new ArrayList<>();
  44.         //sum of this list
  45.         for(int x: arr){
  46.         	lst.add(x);
  47.         }
  48.         //sum of this list
  49.         int sum=0;
  50.         for(int i=lst.size()-1;i>=0;i--){
  51.         	sum+=lst.get(i);
  52.         }
  53.         boolean f=isPalindrome(arr);
  54.         System.out.println(f);
  55.  
  56.     }
  57.  
  58. }
Success #stdin #stdout 0.17s 59044KB
comments (?)
stdin
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5
1 2 3 2 1
stdout
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1 2 3 2 1 
1 2 3 2 1 
1 3 1 
true
https://ideone.com/ldXHN8
language:
Java (HotSpot 12)
created:
2 days ago
visibility:
public

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