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  1. // DP SESSION - 8 Google SWE Intern Question
  2. import java.util.*;
  3. import java.lang.*;
  4. import java.io.*;
  5.  
  6. class Codechef
  7. {
  8. 	public static void main (String[] args) throws java.lang.Exception
  9. 	{
  10. 		// your code goes here
  11. 		Scanner sc=new Scanner(System.in);
  12. 		int n=sc.nextInt();
  13. 		int []a=new int[n+1];
  14. 		for(int i=1;i<=n;i++) a[i]=sc.nextInt();
  15. 		int out=max(n,a);
  16. 		System.out.println(out);
  17. 	}
  18. 	public static int max(int n,int[]a){
  19. 	    int[]dp=new int[n+1];
  20. 	    dp[1]=a[1];
  21. 	    for(int i=2;i<=n;i++){
  22. 	        dp[i]=dp[i-1]+a[i];
  23. 	        if(i-3>=1){
  24. 	            dp[i]=Math.max(dp[i],dp[i-3]+a[i]);
  25. 	        }
  26. 	        if(i-5>=1){
  27. 	            dp[i]=Math.max(dp[i],dp[i-5]+a[i]);
  28. 	        }
  29. 	    }
  30. 	    return dp[n];
  31. 	}
  32. }
  33.  
Success #stdin #stdout 0.17s 56548KB
comments (?)
stdin 
8
1 -3 -8 -5 -10 100 -5 8
stdout 
104
https://ideone.com/fwS1sW
language:
Java (HotSpot 12)
created:
5 hours ago
visibility:
public

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