You are given a string of ‘n’ characters where n is even. The string only consist of 6 type of characters: (){}[]. The task is to form a well formed expression. A well formed expression consist of proper nesting of braces and their is no priority between the braces like [ > } > ). You can edit any bracket and change it to remaining types for accomplishing the task.
Example
A. "(){}" is valid
B. "({[]})” is valid
C. “((})” is invalid
can you provide the question link..the question you asked is not clear..!
like if we can make any number of changes then there will many possible solutions for a given case..!
Link
A good convincing answer is already given there..If you are not able to get do tell me..!
PS: I am talking about the answer that is voted the most given by ID: Rusty