Meta interview question
Q. Balance a String of unbalanced Parenthesis ? Q. Iterator class for binary tree.
Interview Answer
Anonymous
16 Oct 2015
Use stack and push each parenthesis and if anything is missing, add - as you need to balance.
1
Q. Balance a String of unbalanced Parenthesis ? Q. Iterator class for binary tree.
Anonymous
Use stack and push each parenthesis and if anything is missing, add - as you need to balance.
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