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  1. class Main {
  2.     public static void main(String[] args) {
  3.         // Sample Input Array
  4.         int[] a = {4, 3, 2, 5, 1, 6}; 
  5.         int k1 = 6;
  6.         int k2 = 5;
  7.         int n = a.length;
  8.  
  9.         long totalQuadruplets = 0;
  10.  
  11.         // Loop 1: First element 'i'
  12.         for (int i = 0; i < n; i++) {
  13.  
  14.             // Loop 2: Second element 'j' always starts after 'i'
  15.             for (int j = i + 1; j < n; j++) {
  16.  
  17.                 // Loop 3: Third element 'k' always starts after 'j'
  18.                 for (int k = j + 1; k < n; k++) {
  19.  
  20.                     // Loop 4: Fourth element 'l' always starts after 'k'
  21.                     for (int l = k + 1; l < n; l++) {
  22.  
  23.                         // Check both conditions using your exact criteria
  24.                         if ((a[i] + a[j] > k1) && (a[k] + a[l] > k2)) {
  25.                             totalQuadruplets++;
  26.                         }
  27.                     }
  28.                 }
  29.             }
  30.         }
  31.  
  32.         System.out.println("Total valid quadruplets: " + totalQuadruplets);
  33.     }
  34. }
  35.  
Success #stdin #stdout 0.09s 55440KB
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Standard input is empty
stdout
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Total valid quadruplets: 8
https://ideone.com/Nt3WWr
language:
Java (HotSpot 12)
created:
2 days ago
visibility:
public

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