Invalid Parentheses Removal | Dataford Interview Questions

Write an algorithm to find and remove the minimum number of invalid parentheses to make an input string valid.

Implement def min_remove_to_make_valid(s):, where s is a string containing lowercase letters and parentheses. Return a valid string formed by deleting the fewest parentheses while preserving the relative order of all remaining characters. If multiple valid results are possible, return any one of them.

Constraints

0 <= len(s) <= 5000
s contains only lowercase English letters, '(' and ')'
Return any valid result with the minimum number of removed parentheses

Function Signature

def min_remove_to_make_valid(s):

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Problem

Write an algorithm to find and remove the minimum number of invalid parentheses to make an input string valid.

Constraints

0 <= len(s) <= 5000
s contains only lowercase English letters, '(' and ')'
Return any valid result with the minimum number of removed parentheses

Function Signature

def min_remove_to_make_valid(s):

Your question is Invalid Parentheses Removal. Start with the requirements in the Question tab.

Run and submit as often as you like. When you're ready, talk me through your approach or go straight to the code.