File: root - text - article - 2019 - 12 - minimum-removals-for-valid-parenthesis.txt.txt
Tags: 每日算法题, 算法, 数据结构, 面试题, Daily Interview Problem, Data Structures and Algorithms, Computer Programming, Python, | English | Home Page | Category: Computing | 396 Views, 19212 Search Bots | 74 Words
| Browse | Archive
![Subscribe to Feed Burner Subscribe to Feed Burner](/images/form/rss.gif)
Tags: 每日算法题, 算法, 数据结构, 面试题, Daily Interview Problem, Data Structures and Algorithms, Computer Programming, Python, | English | Home Page | Category: Computing | 396 Views, 19212 Search Bots | 74 Words
![Subscribe to Feed Burner Subscribe to Feed Burner](/images/form/rss.gif)
Hi, here's your problem today. This problem was recently asked by Uber:
You are given a string of parenthesis. Return the minimum number of parenthesis that would need to be removed in order to make the string valid. "Valid" means that each open parenthesis has a matching closed parenthesis.
Example:
"()())()"
The following input should return 1.
")("
Here's a start:
Tags: 每日算法题, 算法, 数据结构, 面试题, Daily Interview Problem, Data Structures and Algorithms, Computer Programming, Python, | English | Home Page | Cateogry: Computing | 396 Views, 19212 Search Bots | 74 Words You are given a string of parenthesis. Return the minimum number of parenthesis that would need to be removed in order to make the string valid. "Valid" means that each open parenthesis has a matching closed parenthesis.
Example:
"()())()"
The following input should return 1.
")("
Here's a start:
def count_invalid_parenthesis(string):
# Fill this in.
print count_invalid_parenthesis("()())()")
# 1
![Subscribe to Feed Burner Subscribe to Feed Burner](/images/form/rss.gif)
Related Articles
- First and Last Indices of an Element in a Sorted Array
- Daily Interview Problem: Min Range Needed to Sort
- Daily Interview Question: Longest Sequence with Two Unique Numbers
- Algorithm Interview: Determine If Linked List is Palindrome
- Daily Interview Problem: Reverse Words in a String
- Algorithm Interview: Make the Largest Number
- Kaprekar
- [Daily Problem] Remove Consecutive Nodes that Sum to 0
- Consecutive Ones
- Daily Interview Problem: Full Binary Tree
©2006~2024 SteakOverCooked - 0.0086 Seconds(s) - 6314.597 KB/s - 21 Online
Memory: 517.09 KB
18:54:01 up 13 days, 18:33, 2 users, load average: 0.98, 0.86, 0.73 - Server PHP Version: 7.4.33
How to Cook a Perfect Steak? | <meta name="robots" content="noindex, follow" />
![](/images/top.jpg)
18:54:01 up 13 days, 18:33, 2 users, load average: 0.98, 0.86, 0.73 - Server PHP Version: 7.4.33
Read & Write - Normal - Mini - Post - All Comments - Statistics
Be the first one to comment this page !