Duplicate Brackets
easy
1. You are given a string exp representing an expression. 2. Assume that the expression is balanced i.e. the opening and closing brackets match with each other. 3. But, some of the pair of brackets maybe extra/needless. 4. You are required to print true if you detect extra brackets and false otherwise. e.g.' ((a + b) + (c + d)) -> false (a + b) + ((c + d)) -> true
Constraints
0 <= str.length <= 100
Format
Input
A string str
Output
true or false
Example
Sample Input
(a + b) + ((c + d))
Sample Output
true
Question Video