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Remove Invalid Parentheses - Given a string s that contains parentheses and letters, remove the minimum number of invalid parentheses to make the input string valid. Return a list of unique strings that are valid with the minimum number of removals. You may return the answer in any order.
Given a string of balanced expression str, find if it contains a redundant parenthesis or not. A set of parenthesis are redundant if the same sub-expression is surrounded by unnecessary or multiple brackets.
Dec 11, 2020 · A pair of brackets is said to be redundant when a subexpression is surrounded by needless/ useless brackets. For Example : ((a+b)) has a pair of redundant brackets.
Given a valid expression containing only binary operators '+', '-', '*', '/' and operands, remove all the redundant parenthesis. A set of parenthesis is said to be redundant if, removing them, does not change the value of the expression.
Easy. A valid parentheses string is either empty "", "(" + A + ")", or A + B, where A and B are valid parentheses strings, and + represents string concatenation. For example, "", "()", "(())()", and "(()(()))" are all valid parentheses strings.
Given a string s of '(' , ')' and lowercase English characters. Your task is to remove the minimum number of parentheses ( '(' or ')', in any positions ) so that the resulting parentheses string is valid and return any valid string.
Jun 28, 2023 · Expression contains redundant bracket or not. Given a string of balanced expressions, find if it contains a redundant parenthesis or not. A set of parenthesis is redundant if the same sub-expression is surrounded by unnecessary or multiple brackets. Print ‘Yes‘ if redundant, else ‘No‘.
