Amazon Interview Experience | Set 354 (For SDE-2)

I went for face to face interview and faced following questions.

1. Check if parenthesis are balanced or Not.
2. Given two unsorted arrays A, B. They can contain duplicates. For each element in A count elements less than or equal to it in array B
   Examples:

   Input : A = [1, 2, 3, 4, 7, 9]
           B = [0, 1, 2, 1, 1, 4]
   Output : [4, 5, 5, 6, 6, 6] 
   

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