fork download
copy 
  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.  
  17. 	    for(int i = 0; i < n; i++)
  18. 	    {
  19. 	    	a[i] = sc.nextInt();
  20. 	    }
  21. 	    long  sum = 0;
  22. 	   for(int i = 0; i < n; i++)
  23. 	   {
  24. 	   	for(int j = 0; j < n; j++)
  25. 	   	{
  26. 	   	  for(int k = 0; k < n; k++)
  27. 	   {
  28. 	   	for(int l = 0; l < n; l++)
  29. 	   	{
  30. 	   	  if(i <= j && j < k && k <= l)
  31. 	   	  {
  32. 	   	  	sum = sum + maxi(a,i,j,n) * mini(a,k,l,n);
  33. 	   	  }
  34. 	   	}
  35. 	   }	
  36. 	   	}
  37. 	   }
  38. 	   System.out.println(sum%(1000000007));
  39.  
  40. 	}
  41.  
  42. 	public static int maxi(int[] a, int i, int j, int n)
  43. 	{
  44. 		int max = a[i];
  45. 		for(int m = i; m <= j; m++)
  46. 		{
  47. 			if(max < a[m])
  48. 			   max = a[m];
  49. 		}
  50. 		return max;
  51. 	}
  52.  
  53. 	public static int mini(int[] a, int i, int j, int n)
  54. 	{
  55. 		int min = a[i];
  56. 		for(int m = i; m <= j; m++)
  57. 		{
  58. 			if(min > a[m])
  59. 			   min = a[m];
  60. 		}
  61. 		return min;
  62. 	}
  63. }
Success #stdin #stdout 0.09s 2841600KB
comments (?)
stdin
copy 
3
2 1 3
stdout
copy 
19
https://ideone.com/2WkYXj
language:
Java (HotSpot 12)
created:
6 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!