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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 x=sc.nextInt();
  16. 		int y=sc.nextInt();
  17. 		int b[]=new int[n+1];
  18. 		for(int i=1;i<=n;i++)
  19. 		b[i]=sc.nextInt();
  20.  
  21.  
  22. 		int prefix[]=new int[n+1];
  23. 		for(int i=1;i<=n;i++)
  24. 		{
  25. 			if(i-y>=1)
  26. 			prefix[i]=b[i]+prefix[i-y];
  27. 			else
  28. 			prefix[i]=b[i];
  29.  
  30. 		}
  31.  
  32.  
  33. 		int g[]=new int[n+1];
  34.  
  35. 		for(int i=1;i<=n;i++)
  36. 		{
  37. 			if((i-(x-1)*y)>=1)
  38. 			{
  39. 			if((i-(x-1)*y)-y>=1)
  40. 			g[i]=prefix[i]-prefix[(i-(x-1)*y)-y];
  41. 			else
  42. 			g[i]=prefix[i];
  43.  
  44. 			}
  45. 			else
  46. 			 g[i]=Integer.MAX_VALUE;
  47.  
  48. 		}
  49.  
  50. 		int ans=Integer.MAX_VALUE;
  51. 		for(int i=1;i<=n;i++)
  52. 		ans=Math.min(ans,g[i]);
  53.  
  54. 		System.out.println(ans);
  55.  
  56.  
  57.  
  58.  
  59. 	}
  60. }
Success #stdin #stdout 0.11s 54420KB
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7
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6
https://ideone.com/D9gVcV
language:
Java (HotSpot 12)
created:
20 hours ago
visibility:
public

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