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Feb 8th, 2016
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  1. function solution(A, K) {
  2.  
  3. if(A.length === 0 || A === undefined )
  4. return A;
  5. for (var i = 0 ; i< K; i++)
  6. {
  7. var a = A.pop();
  8. A.unshift(a);
  9. }
  10.  
  11. return A;
  12. }
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