Longest Common Prefix (LeetCode 14) | Full solution with animations and examples | Study Algorithms
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Most of the string based problems either revolve around a prefix or a suffix. A prefix is a character or a sequence of characters that occur in the beginning of a string. In this problem we try to find the longest common prefix in an array of strings. We first explore a naive and straight forward approach and then find an optimal solution using a neat little trick called sorting. Watch the video to learn how it makes the problem super easy to solve. All of this along with a dry-run of code in JAVA.
Chapters:
00:00 - Intro
01:03 - Problem statement and description
04:05 - Brute Force Method
07:10 - Efficient/Optimal solution
12:07 - Dry-run of Code
14:21 - Final Thoughts
Actual problem on LeetCode: https://leetcode.com/problems/longest...
📚 Links to topics I talk about in the video:
Brute Force Paradigm: Brute Force algorithms with real life...
Problems on Strings: Strings
Quick Sort Algorithm: Quick Sort super easy explanation wit...
Recursion based algorithm: Recursion paradigms with real life ex...
What is Big O?: Big O Notation Simplified to the MAX ...
📘 A text based explanation is available at: https://studyalgorithms.com
Code on Github: https://github.com/nikoo28/java-solut...
Test-cases on Github: https://github.com/nikoo28/java-solut...
📖 Reference Books:
Starting Learn to Code: https://amzn.to/36pU0JO
Favorite book to understand algorithms: https://amzn.to/39w3YLS
Favorite book for data structures: https://amzn.to/3oAVBTk
Get started for interview preparation: https://amzn.to/39ysbkJ
🔗 To see more videos like this, you can show your support on: https://www.buymeacoffee.com/studyalg...
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#leetcode #programming #interview
Most of the string based problems either revolve around a prefix or a suffix. A prefix is a character or a sequence of characters that occur in the beginning of a string. In this problem we try to find the longest common prefix in an array of strings. We first explore a naive and straight forward approach and then find an optimal solution using a neat little trick called sorting. Watch the video to learn how it makes the problem super easy to solve. All of this along with a dry-run of code in JAVA.
Chapters:
00:00 - Intro
01:03 - Problem statement and description
04:05 - Brute Force Method
07:10 - Efficient/Optimal solution
12:07 - Dry-run of Code
14:21 - Final Thoughts
Actual problem on LeetCode: https://leetcode.com/problems/longest...
📚 Links to topics I talk about in the video:
Brute Force Paradigm: Brute Force algorithms with real life...
Problems on Strings: Strings
Quick Sort Algorithm: Quick Sort super easy explanation wit...
Recursion based algorithm: Recursion paradigms with real life ex...
What is Big O?: Big O Notation Simplified to the MAX ...
📘 A text based explanation is available at: https://studyalgorithms.com
Code on Github: https://github.com/nikoo28/java-solut...
Test-cases on Github: https://github.com/nikoo28/java-solut...
📖 Reference Books:
Starting Learn to Code: https://amzn.to/36pU0JO
Favorite book to understand algorithms: https://amzn.to/39w3YLS
Favorite book for data structures: https://amzn.to/3oAVBTk
Get started for interview preparation: https://amzn.to/39ysbkJ
🔗 To see more videos like this, you can show your support on: https://www.buymeacoffee.com/studyalg...
🎥 My Recording Gear:
Recording Light: https://amzn.to/3pAqh8O
Microphone: https://amzn.to/2MCX7qU
Recording Camera: https://amzn.to/3alg9Ky
Tablet to sketch and draw: https://amzn.to/3pM6Bi4
Surface Pen: https://amzn.to/3pv6tTs
Laptop to edit videos: https://amzn.to/2LYpMqn
💻 Get Social 💻
Follow on Facebook at: Facebook: studyalgos
Follow on Twitter at: Twitter: studyalgorithms
Follow on Tumblr at: Tumblr: studyalgos
Subscribe to RSS feeds: https://studyalgorithms.com/feed/
Join fan mail: http://eepurl.com/g9Dadv
#leetcode #programming #interview
2 سال پیش
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