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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. 	public static void main (String[] args) throws java.lang.Exception
  11. 	{
  12. 		// your code goes here
  13. 		Scanner sc = new Scanner(System.in);
  14. 		int n = sc.nextInt();
  15. 		int a[] = new int[n];
  16. 		for(int i=0;i<n; i++){
  17. 			a[i]=sc.nextInt();
  18. 		}
  19. 		int dp[] = new int[n];
  20.  
  21. 		//base cases
  22. 		dp[0]= 0;
  23. 		dp[1]= Math.abs(a[1]-a[0]);
  24.  
  25. 		int i=2;
  26. 		while(i<n){
  27. 			dp[i] = Math.min(Math.abs(a[i]-a[i-1])+dp[i-1],Math.abs(a[i]-a[i-2]+dp[i-2]));
  28. 			i++;
  29. 		}
  30. 		System.out.println(dp[n-1]);
  31. 	}
  32. }
Success #stdin #stdout 0.15s 54652KB
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https://ideone.com/DV57ZS
language:
Java (HotSpot 12)
created:
8 days ago
visibility:
public

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