#coding

Articles tagged with #coding

Leetcode 59. How To Go Around A Square Matrix In Spiral Order
A simple example of using C++ switch
Jan 31, 20242 min read533
How To Find The Longest Substring Without Repeating Characters
An example of using a sliding window approach and an unordered map to track character positions
Jan 16, 20243 min read398
How to Encode Morse Code
A C++ solution to Leetcode 804. Unique Morse Code Words using mapping and std::unordered_set to keep track of unique representations.
Dec 19, 20233 min read126
How to Solve Coding Challenges: A Comprehensive Guide
A step-by-step approach to effectively solve coding challenges, prepare for coding interviews, and land dev jobs.
Dec 5, 20237 min read359
How To Count Unique Paths In A Grid With Obstacles
An example of dynamic programming
Nov 30, 20234 min read257
1647. Minimum Deletions to Make Character Frequencies Unique
Problem statement A string s is called good if there are no two different characters in s that have the same frequency. Given a string s, return the minimum number of characters you need to delete to make s good. The frequency of a character in a str...
Jul 3, 20233 min read231