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Jan 24th, 2017
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Java 0.26 KB | None | 0 0
  1. int pairSum(int[] a, int k) {
  2.     int c=0;
  3.     for(int i=0;i<a.length;i++){
  4.         for(int j=i+1;j<a.length;j++){
  5.             if(a[i]+a[j]==k){
  6.                 c=c+1;
  7.             }
  8.         }
  9.     }
  10.     return c;
  11. }
  12.  
  13. int[] a={2, 4, 1, 3, 1, 4, 2, 4, 5, 6, 7};
  14. int k=6;
  15.  
  16. System.out.println(pairSum(a,k));
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