Balanced Paranthesis Coding Question — Asked in Google, Amazon

Problem Statement:

For a given a string expression containing only round brackets or parentheses, check if they are balanced or not. Brackets are said to be balanced if the bracket which opens last, closes first.

Input Format:

The first and the only line of input contains a string expression without any spaces in between.

Output Format:

The only line of output prints ‘true’ or ‘false’.

Sample Input 1 :

Sample Output 1 :

Sample Input 2 :

Sample Output 2 :

Explanation of Sample Input 2:

Code:

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